Seiko Cal. 5631 - 732

The 5631-732 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5631 caliber with 33j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-8228085ef5f7]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1997

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