Wristwatch Database — American Wristwatch Reference
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Hamilton / Model reference

Auto Cal Sierra

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

Named Hamilton model supported by non-rejected catalog evidence. Punctuation and spacing equivalents reconciled; numbered variants retained. Replacement sources do not establish watch offering dates.

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.

1976

Hamilton Spring 1976 watch catalog

Hamilton · Hamilton Self-winding Quick Change Calendar and Self-winding — scan 8 (printed 8)

Auto Cal Sierra

Self-winding Quick Change Calendar series; y 14K gold electroplate / ssb (as printed).

Band
Bracelet illustrated
Family
Self-winding Quick Change Calendar series printed
Dial color
Gilt Degrade printed
Date display
Date window illustrated
Case material
y 14K gold electroplate / ssb (as printed) printed
Movement type
Self-winding printed
Marketed gender
men inferred
Water resistance
Water resistant (historical printed claim) printed

Historical price: USD 140.00 · unknown

1977

Hamilton Spring 1977 watch catalog

Hamilton · Hamilton Self-Winding Calendar and Electronic Day ’n Date series — scan5

Auto Cal Sierra

Series:waterresistant,anti-magnetic;adjustable/replaceablebracelets. 17jewelIncablocshockprotectedmovement (series).

Band
Bracelet printed
Family
Self-Winding Calendar series printed
Jewels
17 printed
Dial color
Gilt printed
Date display
Date printed
Case material
y 14K gold electroplate / ssb (as printed) printed
Movement type
Selfwinding printed
Marketed gender
men inferred
Shock resistance
Incabloc printed
Water resistance
Water resistant (historical catalog claim) printed
Magnetic resistance
Anti-magnetic (historical catalog claim) printed

Historical price: USD 140.00 · unknown