Seiko Cal. 4529 - 407

This Spring Drive model from 1965 features a 37mm Titanium case. With its 18mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-4e1c6fbd6dbc]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1965

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