Seiko Cal. 5636 - 680

The 5636-680 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5636 caliber with 24j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-31cd24915f68]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

24j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1974

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