Seiko Cal. 6612 - 657

The Seiko 6612-657 represents an important milestone in Seiko's 1970 lineup. Powered by the 6612 caliber with 34j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-3dcb677e3fa8]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1970

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