Seiko Cal. 4437 - 457

This Spring Drive model from 1974 features a 46mm Titanium case. With its 22mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-3a98e8c8d5be]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1974

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