Seiko Cal. 4477 - 187

Seiko 4477-187

The 4477-187 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-8344a3345ccf]

Also known as: Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
38mm
Case Thickness
12.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
100m
Dial Color
Black
Jewels
25j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1965

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