Seiko Cal. 4424 - 749

This Hand-Winding model from 1973 features a 40mm Titanium case. With its 21mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-369fb64f2142]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1973

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