Seiko Cal. 4447 - 772

This Spring Drive model from 1965 features a 37mm Hardlex-Coated Steel case. With its 20mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-6c4be36decf5]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1965

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