Seiko Cal. 6221 - 550

The Seiko 6221-550 represents an important milestone in Seiko's 1966 lineup. Powered by the 6221 caliber with 34j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-d1e22c1fb6fb]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1966

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