Seiko Cal. 5636 - 954

This Automatic model from 1981 features a 41mm Two-Tone case. Powered by the 5636 caliber with 29j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-5a7fb37f67e2]

Also known as: Bullhead, UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1981

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