Seiko Cal. 3877 - 444

This Hand-Winding model from 1988 features a 45mm Titanium case. It features a Burgundy dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-e233b3607271]

Also known as: Monster, Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1988

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