Seiko Cal. 6171 - 920

This Spring Drive model from 1974 features a 36mm Gold-Plated case. It features a Green dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-c4980f935eb4]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1974

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