Seiko Cal. 5665 - 843

The Seiko 5665-843 represents an important milestone in Seiko's 1989 lineup. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-98f27d233e2e]

Also known as: Sumo, UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1989

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