Seiko Cal. 6636 - 727

This Hand-Winding model from 1981 features a 35mm Two-Tone case. Powered by the 6636 caliber with 35j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-c8d87a32a062]

Also known as: Shogun, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1981

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