Seiko Cal. 5639 - 963

The Seiko 5639-963 represents an important milestone in Seiko's 1982 lineup. Powered by the 5639 caliber with 19j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-2c2678890677]

Also known as: Monster, Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1982

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