Seiko Cal. 6639 - 755

Seiko 6639-755

This Kinetic model from 1971 features a 37mm Stainless Steel case. Powered by the 6639 caliber with 36j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-d137bff1de30]

Also known as: Silverwave

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
13.2mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
80m
Dial Color
Navy
Jewels
36j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1971

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