Seiko Cal. 5689 - 737

This Spring Drive model from 1977 features a 44mm Titanium case. It features a Black dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-a64e02813d98]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1977

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