Seiko Cal. 4447 - 727

Seiko 4447-727

The 4447-727 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-a162155dd877]

Also known as: Silverwave, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
8.9mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
30m
Dial Color
Silver
Jewels
18j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1977

Related Models

seikata-wm-a162155dd877