Wristwatch Database — American Wristwatch Reference
Hamilton Plain Square catalog portrait
Hamilton — The Timekeeper Catalog (1928), p. 26–27. Hamilton Watch Company. From the Collections of The Henry Ford.

Hamilton / Model reference

Plain Square

Compare the individual source configurations below with the watch you are identifying.

Named product in a Hamilton factory publication, supported by the individual source transcription and at least two recorded specifications. Exact model designations retained; materials, dial and band alternatives remain source configurations. Research review state is independent of this acceptance.

A similar case or dial is a starting point. Check the documented configuration and any movement evidence before settling on an identification.

Documented source appearances

18 appearances

Dates below belong to publications. Different specifications remain attached to their own source appearance.

1928

Hamilton — The Timekeeper Catalog (1928)

Hamilton Watch Company · 26–27

Plain Square

Plain Square model. 17-jewel movement. 14K gold filled case, green or white gold.

Jewels
17 printed
Case color
Green or white printed
Case shape
Square printed
Case material
14K gold filled printed
Movement maker
Hamilton printed
Marketed gender
Men printed

Historical price: USD 55.00 · retail

Price printed in factory catalog model description; no tax treatment stated on this spread.

1928

Hamilton — The Timekeeper Catalog (1928)

Hamilton Watch Company · 26–27

Plain Square

Plain Square model. 17-jewel movement. 14K gold case, green or white gold.

Jewels
17 printed
Case color
Green or white printed
Case shape
Square printed
Case material
14K gold printed
Movement maker
Hamilton printed
Marketed gender
Men printed

Historical price: USD 85.00 · retail

Price printed in factory catalog model description; no tax treatment stated on this spread.

1928

Hamilton and Illinois Watches — Export Catalog 1928–1929

Hamilton Watch Company, Export Sales Division · 12

Square (Cut Corner) — catalog No. 1611

Hamilton Square (Cut Corner). Catalog No.1611: 14K gold, Green, Plain. 6/0 movement; 17 jewels. Movement No.987.

Band
Strap printed
Family
Square (Cut Corner) printed
Jewels
17 printed
Caliber
987 printed
Seconds
Subsidiary seconds illustrated
Case color
Green printed
Case material
14K gold printed
Movement size
6/0 printed
Movement maker
Hamilton printed
Case decoration
Plain printed
Dial luminosity
Luminous dial and hands printed
Marketed gender
Men printed

No complete-watch price printed in catalog entry. Companion export price list is a separate source appearance.

1928

Hamilton and Illinois Watches — Export Catalog 1928–1929

Hamilton Watch Company, Export Sales Division · 12

Square (Cut Corner) — catalog No. 1612

Hamilton Square (Cut Corner). Catalog No.1612: 14K gold, White, Plain. 6/0 movement; 17 jewels. Movement No.987.

Band
Strap printed
Family
Square (Cut Corner) printed
Jewels
17 printed
Caliber
987 printed
Seconds
Subsidiary seconds illustrated
Case color
White printed
Case material
14K gold printed
Movement size
6/0 printed
Movement maker
Hamilton printed
Case decoration
Plain printed
Dial luminosity
Luminous dial and hands printed
Marketed gender
Men printed

No complete-watch price printed in catalog entry. Companion export price list is a separate source appearance.

1928

Hamilton and Illinois Watches — Export Catalog 1928–1929

Hamilton Watch Company, Export Sales Division · 12

Square (Cut Corner) — catalog No. 1613

Hamilton Square (Cut Corner). Catalog No.1613: 14K gold filled, Green, Plain. 6/0 movement; 17 jewels. Movement No.987.

Band
Strap printed
Family
Square (Cut Corner) printed
Jewels
17 printed
Caliber
987 printed
Seconds
Subsidiary seconds illustrated
Case color
Green printed
Case material
14K gold filled printed
Movement size
6/0 printed
Movement maker
Hamilton printed
Case decoration
Plain printed
Dial luminosity
Luminous dial and hands printed
Marketed gender
Men printed

No complete-watch price printed in catalog entry. Companion export price list is a separate source appearance.

1928

Hamilton and Illinois Watches — Export Catalog 1928–1929

Hamilton Watch Company, Export Sales Division · 12

Square (Cut Corner) — catalog No. 1614

Hamilton Square (Cut Corner). Catalog No.1614: 14K gold filled, White, Plain. 6/0 movement; 17 jewels. Movement No.987.

Band
Strap printed
Family
Square (Cut Corner) printed
Jewels
17 printed
Caliber
987 printed
Seconds
Subsidiary seconds illustrated
Case color
White printed
Case material
14K gold filled printed
Movement size
6/0 printed
Movement maker
Hamilton printed
Case decoration
Plain printed
Dial luminosity
Luminous dial and hands printed
Marketed gender
Men printed

No complete-watch price printed in catalog entry. Companion export price list is a separate source appearance.

1928

Hamilton and Illinois Watches — Export Price List 1928–1929

Hamilton Watch Company, Export Sales Division · Hamilton catalog pages 8–15 / 18 (unnumbered)

Catalog No. 1611 — export price entry

HAMILTON. PageNo.12; CatalogNo.1611; CodeABKIK; Price51.50. Five-letter order/cable code; not a movement grade or serial.

Ordering code
ABKIK printed

Historical price: USD 51.50 · unknown

Printed export price inU.S.Gold; F.O.B.factory LancasterPA. Subject to change and prices ruling atshipment. No domestic retail, tax, freight-inclusive or wholesale basis assumed. Terms on scan2.

1928

Hamilton and Illinois Watches — Export Price List 1928–1929

Hamilton Watch Company, Export Sales Division · Hamilton catalog pages 8–15 / 18 (unnumbered)

Catalog No. 1612 — export price entry

HAMILTON. PageNo.12; CatalogNo.1612; CodeABKOB; Price51.50. Five-letter order/cable code; not a movement grade or serial.

Ordering code
ABKOB printed

Historical price: USD 51.50 · unknown

Printed export price inU.S.Gold; F.O.B.factory LancasterPA. Subject to change and prices ruling atshipment. No domestic retail, tax, freight-inclusive or wholesale basis assumed. Terms on scan2.

1928

Hamilton and Illinois Watches — Export Price List 1928–1929

Hamilton Watch Company, Export Sales Division · Hamilton catalog pages 8–15 / 18 (unnumbered)

Catalog No. 1613 — export price entry

HAMILTON. PageNo.12; CatalogNo.1613; CodeABKUG; Price33.75. Five-letter order/cable code; not a movement grade or serial.

Ordering code
ABKUG printed

Historical price: USD 33.75 · unknown

Printed export price inU.S.Gold; F.O.B.factory LancasterPA. Subject to change and prices ruling atshipment. No domestic retail, tax, freight-inclusive or wholesale basis assumed. Terms on scan2.

1928

Hamilton and Illinois Watches — Export Price List 1928–1929

Hamilton Watch Company, Export Sales Division · Hamilton catalog pages 8–15 / 18 (unnumbered)

Catalog No. 1614 — export price entry

HAMILTON. PageNo.12; CatalogNo.1614; CodeABKYO; Price33.75. Five-letter order/cable code; not a movement grade or serial.

Ordering code
ABKYO printed

Historical price: USD 33.75 · unknown

Printed export price inU.S.Gold; F.O.B.factory LancasterPA. Subject to change and prices ruling atshipment. No domestic retail, tax, freight-inclusive or wholesale basis assumed. Terms on scan2.

1929

Blue Book Jewelry Store Catalog — Hamilton and Illinois selections (attributed 1929)

Blue Book Jewelry Store (as attributed by scan host) · 58

Plain Square

Plain Square. 14K gold filled; Green or white gold. Hamilton No. 987, 17 jewels, 6/0 size. Section movement: 17 extra fine ruby and sapphire jewels, double roller escapement, sapphire pallets, Breguet hairspring, compensation balance. Square model (cut corner).

Jewels
17 printed
Caliber
987 printed
Case color
Green or white gold printed
Case material
14K gold filled printed
Movement maker
Hamilton printed
Marketed gender
Men printed

Historical price: USD 55.00 · retail

Primary price printed in model caption. List price preserved separately; its basis and tax treatment are not explained.

Additional historical price: note: Literal List price; do not equate to wholesale.; label: List (as printed); amount: 67.50; currency: USD;

1929

Blue Book Jewelry Store Catalog — Hamilton and Illinois selections (attributed 1929)

Blue Book Jewelry Store (as attributed by scan host) · 58

Plain Square

Plain Square. 14K gold; Green or white gold. Hamilton No. 987, 17 jewels, 6/0 size. Section movement: 17 extra fine ruby and sapphire jewels, double roller escapement, sapphire pallets, Breguet hairspring, compensation balance. Square model (cut corner).

Jewels
17 printed
Caliber
987 printed
Case color
Green or white gold printed
Case material
14K gold printed
Movement maker
Hamilton printed
Marketed gender
Men printed

Historical price: USD 85.00 · retail

Primary price printed in model caption. List price preserved separately; its basis and tax treatment are not explained.

Additional historical price: note: Literal List price; do not equate to wholesale.; label: List (as printed); amount: 103.00; currency: USD;

1929

Hamilton Catalog 1929 — Special Edition for the Retail Jeweler

Hamilton Watch Company · 14

Square (Cut Corner) — plain, green 14K filled gold

Square (Cut Corner) — plain, green 14K filled gold. Explicit men’s heading and Hamilton 987 movement. No jewels or luminous claim inferred from other editions.

Family
Square (Cut Corner) printed
Caliber
987 printed
Case color
Green printed
Case material
14K filled gold printed
Movement maker
Hamilton printed
Case decoration
Plain printed
Marketed gender
Men printed

Historical price: USD 55.00 · unknown

Unqualified printed dollar amount. Separate printed List amount retained; no retail/wholesale or discount basis inferred.

Additional historical price: note: Original printed List label; no assumed price basis.; label: List (as printed); amount: 67.50; currency: USD;

1929

Hamilton Catalog 1929 — Special Edition for the Retail Jeweler

Hamilton Watch Company · 14

Square (Cut Corner) — plain, white 14K filled gold

Square (Cut Corner) — plain, white 14K filled gold. Explicit men’s heading and Hamilton 987 movement. No jewels or luminous claim inferred from other editions.

Family
Square (Cut Corner) printed
Caliber
987 printed
Case color
White printed
Case material
14K filled gold printed
Movement maker
Hamilton printed
Case decoration
Plain printed
Marketed gender
Men printed

Historical price: USD 55.00 · unknown

Unqualified printed dollar amount. Separate printed List amount retained; no retail/wholesale or discount basis inferred.

Additional historical price: note: Original printed List label; no assumed price basis.; label: List (as printed); amount: 67.50; currency: USD;

1929

Hamilton Catalog 1929 — Special Edition for the Retail Jeweler

Hamilton Watch Company · 14

Square (Cut Corner) — plain, green 14K gold

Square (Cut Corner) — plain, green 14K gold. Explicit men’s heading and Hamilton 987 movement. No jewels or luminous claim inferred from other editions.

Family
Square (Cut Corner) printed
Caliber
987 printed
Case color
Green printed
Case material
14K gold printed
Movement maker
Hamilton printed
Case decoration
Plain printed
Marketed gender
Men printed

Historical price: USD 85.00 · unknown

Unqualified printed dollar amount. Separate printed List amount retained; no retail/wholesale or discount basis inferred.

Additional historical price: note: Original printed List label; no assumed price basis.; label: List (as printed); amount: 103.00; currency: USD;

1929

Hamilton Catalog 1929 — Special Edition for the Retail Jeweler

Hamilton Watch Company · 14

Square (Cut Corner) — plain, white 14K gold

Square (Cut Corner) — plain, white 14K gold. Explicit men’s heading and Hamilton 987 movement. No jewels or luminous claim inferred from other editions.

Family
Square (Cut Corner) printed
Caliber
987 printed
Case color
White printed
Case material
14K gold printed
Movement maker
Hamilton printed
Case decoration
Plain printed
Marketed gender
Men printed

Historical price: USD 85.00 · unknown

Unqualified printed dollar amount. Separate printed List amount retained; no retail/wholesale or discount basis inferred.

Additional historical price: note: Original printed List label; no assumed price basis.; label: List (as printed); amount: 103.00; currency: USD;

Undated publication

Hamilton Watch factory catalog (NAWCC indexed 1927; date unverified)

Hamilton Watch Company · Grade987 strap watches — first sheet (unnumbered)

Square Cut Corner, Plain — 14K gold filled

Square Cut Corner, Plain; 14K gold filled, yellow, green or white; Consumer price $55.00, List $67.50. Heading Hamilton17JewelStrapWatches Grade987. Intro explicitly describes6/0size987 with17extra fine ruby/sapphire jewels, double-roller escapement, sapphire pallet, Breguet hairspring and compensation balance.

Family
Square Cut Corner, Plain printed
Jewels
17 printed
Caliber
987 printed
Seconds
Subsidiary seconds illustrated
Case color
Yellow, green or white printed
Case material
14K gold filled printed
Movement maker
Hamilton printed
Marketed gender
Men inferred

Historical price: USD 55.00 · retail

Explicit Consumer price. List amount separately preserved with original label; no inferred discount/tax basis. Case-color alternatives share this printed amount.

Additional historical price: note: Printed List amount alongside Consumer price for this case-metal configuration; no interpretation of commercial discount basis.; label: List (as printed); amount: 67.50; currency: USD;

Undated publication

Hamilton Watch factory catalog (NAWCC indexed 1927; date unverified)

Hamilton Watch Company · Grade987 strap watches — first sheet (unnumbered)

Square Cut Corner, Plain — 14K gold

Square Cut Corner, Plain; 14K gold, yellow, green or white; Consumer price $85.00, List $103.00. Heading Hamilton17JewelStrapWatches Grade987. Intro explicitly describes6/0size987 with17extra fine ruby/sapphire jewels, double-roller escapement, sapphire pallet, Breguet hairspring and compensation balance.

Family
Square Cut Corner, Plain printed
Jewels
17 printed
Caliber
987 printed
Seconds
Subsidiary seconds illustrated
Case color
Yellow, green or white printed
Case material
14K gold printed
Movement maker
Hamilton printed
Marketed gender
Men inferred

Historical price: USD 85.00 · retail

Explicit Consumer price. List amount separately preserved with original label; no inferred discount/tax basis. Case-color alternatives share this printed amount.

Additional historical price: note: Printed List amount alongside Consumer price for this case-metal configuration; no interpretation of commercial discount basis.; label: List (as printed); amount: 103.00; currency: USD;