Seiko Cal. 5639 - 836

The Seiko 5639-836 represents an important milestone in Seiko's 1989 lineup. Powered by the 5639 caliber with 19j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-9443e4c1ad03]

Also known as: Panda, Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Burgundy

Jewels

19j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1989

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