Seiko Cal. 6237 - 645

This Spring Drive model from 1972 features a 37mm Two-Tone case. It features a Green dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-5c48d8fde804]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1972

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