Seiko Cal. 5655 - 641

The Seiko 5655-641 represents an important milestone in Seiko's 1973 lineup. It features a Navy dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-c3e471b70dbe]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1973

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