Seiko Cal. 6377 - 407

This Hand-Winding model from 1979 features a 34mm PVD Black case. It features a Navy dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-ecac49544239]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1979

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