Seiko Cal. 6656 - 443

The Seiko 6656-443 represents an important milestone in Seiko's 1974 lineup. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-91c5fbba6dcc]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

35mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1974

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