Seiko Cal. 6221 - 230

The Seiko 6221-230 represents an important milestone in Seiko's 1993 lineup. Powered by the 6221 caliber with 35j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-8ae5ed5a0eb5]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1993

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