Seiko Cal. 6659 - 637

Seiko 6659-637

The 6659-637 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-c89a7883d8c9]

Also known as: Pogue

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
37mm
Case Thickness
10.2mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Silver
Jewels
32j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1966

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