Seiko Cal. 7137 - 959

This Spring Drive model from 1974 features a 39mm Stainless Steel case. It features a Burgundy dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-94db9247c066]

Also known as: Bullhead, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1974

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