Seiko Cal. 5636 - 143

The Seiko 5636-143 represents an important milestone in Seiko's 1972 lineup. Powered by the 5636 caliber with 18j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-16fae2af8347]

Also known as: Monster, Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1972

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