Hamilton 16

Basic Information

NameHamilton 16
Alternative NameAS 1677
Base CalibreAS 1677
ManufacturerHamilton
Launch Year1960
Is COSC certifiedNo
Timegrapher
Beat rate
21,600 bph
Frequency
3 Hz

Reference: healthy amplitude ≈ 270–315° fully wound (>200° at 24 h); beat error ideally < 0.5 ms.

Technical Details

Lignes Dimensions5.75 ‴ x 6.75 ‴
Dimensions13 mm x 15.6 mm
Height3.6 mm
Further MeasuresMounting Diameter (Dm): 13.0 x 15.2mm
Stem height (T): 1.7mm
Mounting Height (F): 0.6mm
Power Reserve44 hours
Frequency21,600 vph
Jewels17

Complications and Specifications

ShapeBarrel (Tonneau)
Shock ProtectionIncabloc
Regulator TypePinned Regulator (or Index Regulator)
Movement TypeManual
Escapement TypeSwiss Lever
Control TypeBalance Wheel
Winding TypeStem Winding (Crown)
Setting TypeStem Set (Crown Pull)

Additional Information

Hand Sizes1.00 x 0.55mm
Hand Count2
Country Of ManufactureUnited States
NotesOther data: balance staff: according hairspring collet screw balance: U2437: 0.4mm U1422: 0.45mm U1181: 0.5mm ring balance: U3091: 0.45mm stem: W2641 mainspring / battery: Zf994, 1.40 x 6.0 x 0.06 x 210mm generations: 14: 18000 A/h 16: 21600 A/h
Signatureca. 1960: Dugena 869; Incabloc (AS 1677)
Import Codes

Compatible Parts

544 other caliber(s) share compatible parts with this caliber.

100 compatible part(s) available — Supporter feature.

Metadata

Created AtSep 15, 2023
Updated AtMay 26, 2026, 4:43:50 AM
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