Seiko Cal. 5631 - 660

This Solar model from 1993 features a 42mm Stainless Steel case. Powered by the 5631 caliber with 33j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-4056964d6bd3]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1993

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