Seiko Cal. 5633 - 431

This Kinetic model from 1974 features a 39mm Two-Tone case. Powered by the 5633 caliber with 26j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-25600b05c67e]

Also known as: Sumo, Rally

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1974

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