Seiko Cal. 4490 - 497

This Quartz model from 1973 features a 40mm Titanium case. Powered by the 4490 caliber with 29j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-a3e93758025e]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1973

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