Seiko Cal. 0731 - 839

This Spring Drive model from 1989 features a 42mm Stainless Steel case. It features a Silver dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-b9233474a82e]

Also known as: Tuna, Rally

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1989

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