Seiko Cal. 5634 - 836

The Seiko 5634-836 represents an important milestone in Seiko's 1989 lineup. Powered by the 5634 caliber with 21j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-8330a28c150d]

Also known as: Monster, Bullhead

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1989

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