Seiko Cal. 4576 - 843

This Automatic model from 1973 features a 45mm Hardlex-Coated Steel case. Powered by the 4576 caliber with 27j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-f1ac8cc36f1b]

Also known as: Rally, Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1973

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