Seiko Cal. 0722 - 311

This Spring Drive model from 1968 features a 37mm Stainless Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-f36ad46029e2]

Also known as: Monster, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1968

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