Seiko Cal. 6221 - 928

The Seiko 6221-928 represents an important milestone in Seiko's 1974 lineup. Powered by the 6221 caliber with 35j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-702f8f6e036b]

Also known as: Samurai, Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1974

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