Seiko Cal. 4480 - 631

This Hand-Winding model from 1971 features a 40mm Titanium case. With its 22mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-ec7bd417ad1b]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1971

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