Seiko Cal. 4529 - 533

This Spring Drive model from 1985 features a 41mm Hardlex-Coated Steel case. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-05610edc2b20]

Also known as: Sumo, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1985

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