Seiko Cal. 0721 - 283

This Spring Drive model from 1973 features a 41mm PVD Black case. Powered by the 0721 caliber with 29j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-117fd5bf4679]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

29j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1973

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