Seiko Cal. 6157 - 226

This Spring Drive model from 1973 features a 37mm Titanium case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-0cb8e51ee6f0]

Also known as: Sumo, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1973

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