Seiko Cal. 5655 - 518

Released in 1966, the Cal. 5655 with design code 518 was part of Seiko's domestic market collection. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-cab9fb5ff89c]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1966

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