Seiko Cal. 6221 - 646

The Seiko 6221-646 represents an important milestone in Seiko's 1966 lineup. Powered by the 6221 caliber with 21j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-f6f3446f1c21]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1966

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