Seiko Cal. 4539 - 223

This Spring Drive model from 1974 features a 39mm Hardlex-Coated Steel case. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-efb3efaaf2b1]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1974

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