Seiko Cal. 0721 - 958

The Seiko 0721-958 represents an important milestone in Seiko's 1984 lineup. Powered by the 0721 caliber with 34j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-4b30237bb43d]

Also known as: Sumo, Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1984

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