Hamilton Jazzmaster Skeleton Auto

The Hamilton Jazzmaster Skeleton Auto, reference H42535541, has a 40 mm steel case measuring 11.05 mm thick. Under sapphire, the blue dial has cut-outs that expose the mechanism. The case is water resistant to 50 metres, spanning 42 mm from lug to lug, with a see-through back and a brown leather strap on 20 mm lugs, closed by a pin buckle. A Nivachron balance spring and an 80-hour power reserve equip self-winding calibre H-10-S.