Seiko Cal. 6638 - 291

Seiko 6638-291

The 6638-291 is a sought-after Hand-Winding piece from Seiko's golden era. With its 22mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-445376a96a66]

Also known as: Goldfeather, Flighty

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
44mm
Case Thickness
15.0mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
80m
Dial Color
Navy
Jewels
36j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1971

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seikata-wm-445376a96a66