Seiko Cal. 5275 - 371

This Hand-Winding model from 1981 features a 39mm Hardlex-Coated Steel case. Powered by the 5275 caliber with 17j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-d9b108595cd5]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1981

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