Seiko Cal. 6639 - 177

Seiko 6639-177

The 6639-177 is a sought-after Solar piece from Seiko's golden era. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-364b7daebdb5]

Also known as: Silverwave

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
14.8mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
200m
Dial Color
White
Jewels
23j
Frequency
36,000 bph
Power Reserve
44 hours
Year
1970

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