Seiko Cal. 6650 - 638

Seiko 6650-638

The 6650-638 is a sought-after Kinetic piece from Seiko's golden era. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-89ab7ebb858d]

Also known as: Sumo, Silverwave

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
12.8mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
130m
Dial Color
Navy
Jewels
36j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1965

Related Models

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