Seiko Cal. 4423 - 512

Seiko 4423-512

The 4423-512 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-2e6de6d2862b]

Also known as: Monster

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
46mm
Case Thickness
8.0mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Champagne
Jewels
25j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1970

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