Seiko Cal. 5656 - 883

The Seiko 5656-883 represents an important milestone in Seiko's 1972 lineup. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-60b16d0fa82a]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1972

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