Seiko Cal. 4480 - 378

This Kinetic model from 1973 features a 34mm Titanium case. With its 19mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-a81777aa81ff]

Also known as: Sumo, World Timer

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

34mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1973

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