Seiko Cal. 5631 - 947

This Kinetic model from 1977 features a 39mm PVD Black case. Powered by the 5631 caliber with 34j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-347ad40c529c]

Also known as: Arnie

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1977

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