Seiko Cal. 4576 - 666

This Spring Drive model from 1966 features a 43mm Hardlex-Coated Steel case. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-3564d598c2e5]

Also known as: UFO, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1966

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