Seiko Cal. 4477 - 288

This Spring Drive model from 1982 features a 36mm Hardlex-Coated Steel case. It features a Black dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-837f7f7b2ee1]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1982

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