Seiko Cal. 6659 - 638

Seiko 6659-638

This Kinetic model from 1976 features a 35mm Titanium case. Powered by the 6659 caliber with 18j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-e4619e75d71c]

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
35mm
Case Thickness
9.2mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
90m
Dial Color
White
Jewels
18j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1976

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