Seiko Cal. 5691 - 963

The Seiko 5691-963 represents an important milestone in Seiko's 1965 lineup. Powered by the 5691 caliber with 21j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-f8c8d310f7ac]

Also known as: Bellmatic, Navigator

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1965

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