Seiko Cal. 4521 - 411

Seiko 4521-411

The 4521-411 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-1d2f50ac12d1]

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
46mm
Case Thickness
15.0mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Black
Jewels
21j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1972

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