Seiko Cal. 6656 - 110

The Seiko 6656-110 represents an important milestone in Seiko's 1979 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-da7a466d2f03]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1979

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