Seiko Cal. 5665 - 993

The Seiko 5665-993 represents an important milestone in Seiko's 1986 lineup. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-eb9193d7e286]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1986

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