Seiko Cal. 4448 - 654

Seiko 4448-654

The 4448-654 is a sought-after Hand-Winding piece from Seiko's golden era. With its 22mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-3d580843f591]

Also known as: Bullhead, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
14.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
90m
Dial Color
Silver
Jewels
30j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1971

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seikata-wm-3d580843f591