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Hamilton 66
Basic Information
| Name | Hamilton 66 |
|---|---|
| Alternative Name | AS 1866 |
| Base Calibre | AS 1866 |
| Manufacturer | Hamilton |
| Launch Year | 1970 |
| Is COSC certified | No |
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 Dimensions | 11.5 ‴ |
|---|---|
| Dimensions | 26 mm |
| Height | 4.7 mm |
| Further Measures | Mounting Diameter (Dm): 25.6mm Ball Bearing: 0.05mm Stem height (T): 2.4mm Mounting Height (F): 1.8mm |
| Power Reserve | 42 hours |
| Frequency | 21,600 vph |
| Jewels | 17 |
Complications and Specifications
| Shape | Round |
|---|---|
| Complications |
|
| Shock Protection | Incabloc |
| Regulator Type | Pinned Regulator (or Index Regulator) |
| Movement Type | Automatic |
| Rotor Type | Central Rotor |
| Escapement Type | Swiss Lever |
| Control Type | Balance Wheel |
| Winding Type | Automatic (Rotor-Driven) |
| Setting Type | Stem Set (Crown Pull) |
Additional Information
| Hand Sizes | 1.50 x 0.90 x 0.21mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | Switzerland |
| Notes | Remarks: indirectly driven minute allows a big balance and low profile Other data: balance staff: U3113 stem: W3076 mainspring / battery: 1.00 x 10.5 x 0.12 x 310mm |
| Signature | ca. 1970: EW, Swiss, 25 Jewels; Incabloc (AS 1863) |
| Import Codes |
|
Compatible Parts
712 other caliber(s) share compatible parts with this caliber.
112 compatible part(s) available — Supporter feature.
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | May 26, 2026, 4:43:50 AM |
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