Hamilton Jazzmaster Open Heart Auto 40mm Mens Watch Silver

Ref. H32675551

The Jazzmaster line has always sat at the intersection of dress watch restraint and mechanical honesty, and the Open Heart takes that further than most by cutting away part of the silver dial to expose the oscillating balance wheel directly. It is a considered decision rather than a decorative one: the skeletonised aperture and the power reserve indicator give the wearer two live readings of the movement's state, which changes how you wear the watch and how you think about winding it. The H-10-S running beneath does more than show well. Its Nivachron balance spring resists magnetic fields and temperature variation better than a conventional hairspring, which matters in a watch worn daily through offices full of devices that would quietly disturb a less considered calibre. The 80-hour reserve means a watch left on the nightstand Friday evening is still running Monday morning. At 11.05mm thick the case wears closer to a dress watch than a sport one, sitting flat under a cuff without bulk, and the dark brown calfskin softens the stainless steel well, pulling the whole thing toward the warmer end of the palette the silver and gold-tone dial already suggests.

Reference

H32675551

Brand

Hamilton

Case size

40mm

Case thickness

11.05mm

Lug width

20mm

Case material

Stainless steel

Case shape

Round

Dial

Silver

Crystal

Sapphire

Movement

Automatic

Calibre

H-10-S

Functions

Skeleton dial

Water resistance

50m

Bracelet / strap

Leather strap

Strap colour

Brown

Clasp

Buckle

Lume

Luminous

Retailer

Goldsmiths