Seiko Cal. 6377 - 254

This Hand-Winding model from 1986 features a 41mm Hardlex-Coated Steel case. It features a Black dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-721d8cf8f2d4]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1986

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