Seiko Cal. 6655 - 726

This Hand-Winding model from 1981 features a 40mm Stainless Steel case. It features a Silver dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-b07be1ea901e]

Also known as: Sumo, Shogun

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1981

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