Seiko Cal. 4576 - 544

This Spring Drive model from 1972 features a 35mm Hardlex-Coated Steel case. It features a Silver dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-ea24416c1723]

Also known as: Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1972

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