Seiko Cal. 0763 - 557

This Hand-Winding model from 1975 features a 42mm Gold-Plated case. Powered by the 0763 caliber with 24j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-a8ef715254ef]

Also known as: UFO, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1975

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