Seiko Cal. 0763 - 493

This Automatic model from 1971 features a 45mm Two-Tone case. Powered by the 0763 caliber with 20j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-20dc1ee6e558]

Also known as: Sumo, Sea Horse

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1971

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