Seiko Cal. 6650 - 975

The Seiko 6650-975 represents an important milestone in Seiko's 1970 lineup. Powered by the 6650 caliber with 21j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-677a284b13ac]

Also known as: Turtle, Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1970

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