Seiko Cal. 4555 - 339

This Spring Drive model from 1991 features a 40mm PVD Black case. It features a Champagne dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-08c29946daef]

Also known as: Sumo, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1991

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