Seiko Cal. 5653 - 631

This Hand-Winding model from 1989 features a 36mm Hardlex-Coated Steel case. Powered by the 5653 caliber with 34j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-b103dfa84538]

Also known as: Turtle, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1989

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