Seiko Cal. 5680 - 237

This Spring Drive model from 1982 features a 41mm Hardlex-Coated Steel case. Powered by the 5680 caliber with 36j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-6095dfb3d565]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1982

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