Seiko Cal. 6651 - 412

The Seiko 6651-412 represents an important milestone in Seiko's 1966 lineup. Powered by the 6651 caliber with 22j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-d34aeac95cf7]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1966

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