Seiko Cal. 4539 - 121

This Spring Drive model from 1975 features a 34mm PVD Black case. It features a Champagne dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-4a3c6be58673]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1975

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