Seiko Cal. 4494 - 720

This Spring Drive model from 1973 features a 35mm Titanium case. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-dc4e24823fc3]

Also known as: Sumo, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1973

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