Seiko Cal. 6644 - 887

Seiko 6644-887

This Kinetic model from 1966 features a 40mm Titanium case. Powered by the 6644 caliber with 18j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-0568e9309c69]

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
40mm
Case Thickness
8.0mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
60m
Dial Color
White
Jewels
18j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1966

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seikata-wm-0568e9309c69