Seiko Cal. 6637 - 914

Seiko 6637-914

The 6637-914 is a sought-after Hand-Winding piece from Seiko's golden era. With its 22mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-5cad8cfcd42b]

Also known as: Sea Horse

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
8.9mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
90m
Dial Color
Navy
Jewels
35j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1976

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