Seiko Cal. 5288 - 993

This Spring Drive model from 1972 features a 44mm Hardlex-Coated Steel case. Powered by the 5288 caliber with 29j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-164e9ae395a1]

Also known as: Sumo, UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1972

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