Seiko Cal. 4557 - 994

This Hand-Winding model from 1987 features a 41mm Titanium case. It features a Green dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-fa3c0972fc30]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1987

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