Seiko Cal. 6645 - 163

Seiko 6645-163

This Kinetic model from 1975 features a 44mm Two-Tone case. Powered by the 6645 caliber with 27j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-08241a5e4b45]

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
44mm
Case Thickness
14.1mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Champagne
Jewels
27j
Frequency
36,000 bph
Power Reserve
41 hours
Year
1975

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seikata-wm-08241a5e4b45