Seiko Cal. 0721 - 890

The Seiko 0721-890 represents an important milestone in Seiko's 1968 lineup. Powered by the 0721 caliber with 33j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-421793da0e6a]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1968

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