Seiko Cal. 0721 - 253

This Spring Drive model from 1973 features a 46mm Titanium case. Powered by the 0721 caliber with 33j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-c8bf8753bac8]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Champagne

Jewels

33j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1973

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