Seiko Cal. 6221 - 725

The Seiko 6221-725 represents an important milestone in Seiko's 1988 lineup. Powered by the 6221 caliber with 30j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-14cd5ea696b3]

Also known as: Sumo, World Timer

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1988

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