Seiko Cal. 5275 - 539

This Hand-Winding model from 1983 features a 40mm Titanium case. Powered by the 5275 caliber with 33j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-44b201640518]

Also known as: Sumo, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1983

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