Seiko Cal. 4555 - 365

This Spring Drive model from 1987 features a 45mm PVD Black case. It features a White dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-3da7c2bee030]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1987

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