Seiko Cal. 6637 - 948

Seiko 6637-948

The 6637-948 is a sought-after Kinetic piece from Seiko's golden era. With its 21mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-01f1631686e7]

Also known as: Shogun, Golden Tuna

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
42mm
Case Thickness
15.6mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
200m
Dial Color
White
Jewels
33j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1983

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