Hamilton / Model reference

Rotomatic I

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

2 appearances

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

1957

Hamilton Watch Catalog 1957–1958 — copyright1957,styles1958

Hamilton Watch Company, Lancaster, Pennsylvania · 16 — upper product fragment

Rotomatic I

Rotomatic I; 10K yellow gold case; stainless steel back; 14K gold numerals and markers; luminous dots; pearled track; strap.

Band: Strap printed
Jewels: 23 printed
Case color: Yellow printed
Minute track: Pearled track printed
Case material: 10K yellow gold case; stainless steel back printed
Movement type: Self-winding / automatic printed
Ordering code: 990741 printed
Dial decoration: 14K gold numerals and markers; luminous dots; pearled track printed
Dial luminosity: Luminous dots printed
Marketed gender: Men printed
Water resistance: Waterproof*; provided original seal is properly restored if opened for servicing printed

Historical price: USD 135.00 · unknown

Own printed strap price; own footer includes Federal Tax. USD inferred from USpublisher/dollar notation; price audience unstated.

1958

Hamilton Watch Catalog — copyright1958

Hamilton Watch Company, Lancaster, Pennsylvania · 15 — middle Watches for Men

Rotomatic I

Rotomatic I; 23 jewels; Yellow 10K gold case; stainless steel back. 14K gold numerals and markers; luminous dots and pearled track. Waterproof*; originalseal servicingcondition samecatalog14footer. Strap at$135.00. Dialmaterial/colorunstated.

Band: Strap printed
Jewels: 23 printed
Case color: Yellow printed
Marker style: 14K gold numerals and markers; luminous dots and pearled track printed
Case material: 10K gold case printed
Movement type: Self-winding (automatic) inferred
Dial luminosity: Luminous dots printed
Marketed gender: Men printed
Water resistance: Waterproof; servicing qualification by samecatalog14 footer: original seal properly restored if opened for servicing printed

Historical price: USD 135.00 · unknown

Own caption band-specific price. Ownprinted15 general All prices include Federal Tax footer. USD inferred from dollar notation/USpublisher;price audience unstated.