Seiko Cal. 5612 - 220

This Spring Drive model from 1968 features a 39mm Hardlex-Coated Steel case. It features a Green dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-95b0f098551e]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1968

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