Seiko Cal. 6377 - 205

This Spring Drive model from 1974 features a 37mm Titanium case. It features a Navy dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-f9561e6d8939]

Also known as: Monster, Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1974

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