Seiko Cal. 5637 - 564

The Seiko 5637-564 represents an important milestone in Seiko's 1985 lineup. Powered by the 5637 caliber with 20j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-563e8e0a54d9]

Also known as: Silverwave

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1985

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