Seiko Cal. 6187 - 172

This Spring Drive model from 1968 features a 34mm Gold-Plated case. It features a Green dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-b83df7458fea]

Also known as: Sumo, Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1968

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