Seiko Cal. 6650 - 772

The Seiko 6650-772 represents an important milestone in Seiko's 1971 lineup. Powered by the 6650 caliber with 26j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-09453d59993d]

Also known as: Monster, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1971

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