Seiko Cal. 4430 - 368

This Hand-Winding model from 1974 features a 37mm Titanium case. With its 21mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-a366b1dc7fdc]

Also known as: Sportsmatic, Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1974

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