Seiko Cal. 6639 - 223

Seiko 6639-223

This Spring Drive model from 1970 features a 45mm Hardlex-Coated Steel case. With its 22mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-013b0364cdcc]

Also known as: Samurai, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
14.1mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Silver
Jewels
33j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1970

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