Seiko Cal. 4478 - 603

This Quartz model from 1983 features a 37mm Titanium case. With its 21mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-fa77adfbaf7a]

Also known as: Sumo, Rally

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1983

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