Seiko Cal. 0763 - 641

This Solar model from 1976 features a 45mm Two-Tone case. Powered by the 0763 caliber with 17j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-a4500046f1c3]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1976

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