Seiko Cal. 6221 - 711

This Quartz model from 1991 features a 37mm Stainless Steel case. Powered by the 6221 caliber with 31j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-f2dfd48db97e]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1991

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