Seiko Cal. 4447 - 856

Seiko 4447-856

The 4447-856 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-0fd9675b2d7f]

Also known as: Monster

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
15.0mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
33j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1980

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