Hamilton Jazzmaster Open Heart Auto H32675150 – 40mm stainless steel automatic with open heart dial.
Precision cutouts in the silver dial reveal the Swiss-made H-10 caliber beneath, transforming technical watchmaking into visible artistry. The blue accents and balanced proportions honor mid-century jazz-era elegance while the extended 80-hour power reserve delivers contemporary convenience for weekend wear without winding.
| Benefits |
| 80-hour power reserve allows 3-day wear between windings for weekend-off convenience |
| Open heart dial architecture showcases automatic movement craftsmanship through front aperture |
| Nivachron balance spring resists magnetic fields and temperature variations for enhanced accuracy |
| Key features |
| Swiss-made H-10 automatic caliber winds naturally through wrist motion |
| Sapphire crystal with anti-reflective treatment resists scratches and reduces glare |
| Exhibition caseback provides additional view of decorated movement finishing |
| Who it's for |
| Watch enthusiasts who appreciate visible mechanical movements and traditional craftsmanship |
| Professionals seeking versatile automatic timepieces that transition from office to evening |
| How to wear |
| Allow full wrist motion during initial wear to establish optimal winding and power reserve |
| Store on automatic winder during extended periods off-wrist to maintain accuracy |
| Specs |
| Case diameter |
40mm |
| Case thickness |
11.05mm |
| Case material |
Stainless steel |
| Bracelet material |
Stainless steel with folding clasp |
| Lug width |
20mm |
| Crystal |
Sapphire with anti-reflective coating |
| Movement |
H-10 automatic caliber |
| Power reserve |
80 hours |
| Water resistance |
50 meters |
| Dial |
Silver with open heart aperture |
| Caseback |
Exhibition with sapphire crystal |
| Model |
H32675150 |
