Seiko Cal. 5665 - 641

This Kinetic model from 1988 features a 43mm Titanium case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-4444829596f8]

Also known as: Helmet, UFO

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1988

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