Seiko Cal. 6696 - 366

The Seiko 6696-366 represents an important milestone in Seiko's 1971 lineup. Powered by the 6696 caliber with 27j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-7d5b5ee77096]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1971

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