Seiko Cal. 4424 - 685

This Hand-Winding model from 1978 features a 41mm Titanium case. With its 21mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-aa306e1cca94]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1978

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