Seiko Cal. 6641 - 199

This Kinetic model from 1981 features a 45mm Titanium case. It features a Navy dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-5724ebb197cc]

Also known as: Helmet, World Timer

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1981

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