Seiko Cal. 6137 - 412

This Hand-Winding model from 1965 features a 41mm Titanium case. It features a Black dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-170ded7dfa77]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1965

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