Seiko Cal. 6230 - 406

This Spring Drive model from 1987 features a 37mm Stainless Steel case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-16fbd1b72131]

Also known as: Sumo, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1987

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