Seiko Cal. 4587 - 144

This Spring Drive model from 1977 features a 40mm Gold-Plated case. It features a Green dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-06efeee8527b]

Also known as: Tuna, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1977

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