Hamilton Jazzmaster Open Heart Auto 40mm Watch Calendar Movement: Powering this timepiece is

Movement: Powering this timepiece is an automatic Caliber L888 movement

Engineered for accuracy

covering approximately 400 hectares near the Grand Seiko studio in Shizukuishi

and is driven by the manual-winding OMEGA Co-Axial Master Chronometer Calibre 9906

Grand Seiko is suffused with this time-honoured aesthetic

Hamilton Jazzmaster Open Heart Auto 40mm Watch Calendar Movement: Powering this timepiece isA vibrant smoked dial draws the eye inward to the precision cutouts of the Jazzmaster Open Heart. Offering a captivating glimpse at the movement underneath, its contemporary style is both unique and versatile. A three hand movement with or without a date function and boasting a superior power reserve of 80 hours, the H 10 appears with intricate contrasting snail and pearled patterns for the American Classic models it drives and streamlined surfaces