Seiko Cal. 4490 - 921

Seiko 4490-921

The 4490-921 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-1a1823434574]

Also known as: Bellmatic

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
44mm
Case Thickness
12.1mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Silver
Jewels
30j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1969

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seikata-wm-1a1823434574