Seiko Cal. 5691 - 176

This Hand-Winding model from 1979 features a 37mm Hardlex-Coated Steel case. Powered by the 5691 caliber with 30j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-fec6da3b6fc7]

Also known as: World Timer, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1979

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