Seiko Cal. 4582 - 154

This Spring Drive model from 1965 features a 39mm Hardlex-Coated Steel case. It features a Green dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-39c0ad74b6de]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1965

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