Seiko Cal. 6221 - 581

The Seiko 6221-581 represents an important milestone in Seiko's 1991 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-da5dcfa55877]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1991

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