Seiko Cal. 6640 - 761

This Kinetic model from 1991 features a 42mm Gold-Plated case. It features a Navy dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-d42ddd9ffaaa]

Also known as: UFO, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1991

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