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Hamilton 64
Basic Information
| Name | Hamilton 64 |
|---|---|
| Alternative Name | ETA 2452 |
| Base Calibre | ETA 2452 |
| Manufacturer | Hamilton |
| Launch Year | 1965 |
| Caliber Family | Description 60: manual wind, 10.5" 61: manual wind, 11.5" 62: manual wind, date 63, 689: Automatic 64: Automatic, date suffix A: recess instead of aperture in the automatic bridge Related calibers Hamilton 63, Hamilton 63A, Hamilton 64, Hamilton 64A, Hamilton 689 |
| Is COSC certified | No |
Timegrapher
Beat rate
18,000 bph
Frequency
2.5 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 | 5.3 mm |
| Further Measures | Mounting Diameter (Dm): 25.6mm Stem height (T): 1.85mm Mounting Height (F): 1.4mm |
| Power Reserve | 47 hours |
| Frequency | 18,000 vph |
| Jewels | 17 |
Complications and Specifications
| Shape | Round |
|---|---|
| Complications |
|
| Shock Protection | KIF |
| 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: Modifications against according ETA family: Kif shock protection, stud carrier, softly adustable regulator, barrel, rotor, automatic bridge with access to regulator, probably just the designators were changed in 1966, as samples with different numbers on baseplate and rotor are known from this year Other data: balance staff: U2226 / U3136 for balance with/without screws stem: W2426, W3226 Mainspring: 1.300 x 10.000 x 0.105 x 320.000 mm |
| Signature | ca. 1965: HYL, Hamilton Cal. 63, Hamilton Watch Co, 689, Swiss, Unadjusted, 17 Jewels - Patented; Kif-Flector (Hamilton 63) |
| Import Codes |
|
Compatible Parts
487 other caliber(s) share compatible parts with this caliber.
81 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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