Seiko Cal. 5639 - 843

The Seiko 5639-843 represents an important milestone in Seiko's 1989 lineup. Powered by the 5639 caliber with 27j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-20605a142a98]

Also known as: Pogue, Bullhead

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1989

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