Seiko Cal. 5691 - 974

The Seiko 5691-974 represents an important milestone in Seiko's 1970 lineup. Powered by the 5691 caliber with 31j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-ccc1bb16b9d1]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1970

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