Seiko Cal. 5634 - 865

The Seiko 5634-865 represents an important milestone in Seiko's 1983 lineup. Powered by the 5634 caliber with 25j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-ad92af65deef]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1983

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