Seiko Cal. 4487 - 311

Seiko 4487-311

The 4487-311 is a sought-after Hand-Winding piece from Seiko's golden era. With its 22mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-490da120c34f]

Also known as: Monster

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
10.2mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Navy
Jewels
27j
Frequency
36,000 bph
Power Reserve
41 hours
Year
1965

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seikata-wm-490da120c34f