Seiko Cal. 5233 - 550

This Hand-Winding model from 1980 features a 35mm Hardlex-Coated Steel case. With its 22mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-846ff258be7e]

Also known as: Monster, Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1980

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