Seiko Cal. 0721 - 998

The 0721-998 is a sought-after Quartz piece from Seiko's golden era. Powered by the 0721 caliber with 22j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-85b1eb33e3f1]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1992

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