Seiko Cal. 4435 - 720

Seiko 4435-720

The 4435-720 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-ef780291f8da]

Also known as: Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
12.5mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
150m
Dial Color
Silver
Jewels
20j
Frequency
36,000 bph
Power Reserve
44 hours
Year
1980

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