Seiko Cal. 6157 - 947

This Spring Drive model from 1986 features a 36mm Titanium case. It features a Cream dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-922431082833]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1986

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