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Hamilton Jazzmaster Open Heart Specifications
| Reference | H32705151, H32705551 |
|---|---|
| Case Size | 42mm |
| Lug Width | 22mm |
| Lug-to-Lug | 50mm |
| Thickness | 11.7mm |
| Case Material | stainless steel |
| Crystal | sapphire |
| Water Resistance | 50m |
| Movement | H-10 (automatic) |
| Bezel | fixed smooth |
| Crown | push-pull |
| Case Back | exhibition (see-through) |
| Price Range | $700-$900 |
Compatible Straps for the Hamilton Jazzmaster Open Heart
The Jazzmaster Open Heart uses a 22mm Lug Width and is compatible with the following strap types.
| Type | Recommended Brand | Why It Works | Price Range | Link |
|---|---|---|---|---|
| leather | Barton | Dresses up the watch, fits 22mm lugs | $15–$80 | |
| mesh | Hirsch | Adjustable fit, dressy appearance | $15–$80 | |
| NATO/ZULU | Fluco | Classic look, easy to swap, fits 22mm lugs | $15–$80 | |
| perlon | Crown & Buckle | Lightweight, breathable, adjustable fit | $15–$80 | |
| rubber/silicone | Archer | Water-resistant, comfortable for daily wear | $15–$80 |
Replacement Parts for the Hamilton Jazzmaster Open Heart
| Part | Description | Compatibility Note |
|---|---|---|
| spring bars | Pins that hold the strap to the case | 22mm, 1.5mm diameter recommended |
| case back gasket | Seal that maintains water resistance | Required for 50m WR rating |
| crown with stem | Time-setting knob on case side | push-pull type |
Modding the Hamilton Jazzmaster Open Heart
The Jazzmaster Open Heart is a popular platform for modding. Here are the most common modifications.
- strap swap — Upgrade to a premium aftermarket strap or metal bracelet.
Frequently Asked Questions
What lug width is the Hamilton Jazzmaster Open Heart?
The Hamilton Jazzmaster Open Heart has a 22mm lug width.
What is the open heart complication?
The open heart is a window on the dial that reveals the balance wheel of the movement in action. It adds visual interest without the complexity of a true skeleton watch.
Is the Jazzmaster Open Heart a dress watch?
Yes. The Jazzmaster Open Heart is designed as a dressy/smart-casual watch. It pairs best with leather straps or mesh bracelets rather than sport-oriented NATO or rubber straps.