Seiko Cal. 4539 - 351

This Spring Drive model from 1969 features a 38mm Gold-Plated case. With its 21mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-860226efc46e]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1969

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