Seiko Cal. 6643 - 201

Seiko 6643-201

This Kinetic model from 1965 features a 39mm Titanium case. Powered by the 6643 caliber with 18j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-72beebc8d8fb]

Also known as: Navigator, Sea Horse

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
39mm
Case Thickness
12.3mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
140m
Dial Color
White
Jewels
18j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1965

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