Seiko Cal. 3871 - 505

Seiko 3871-505

The 3871-505 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-6f3dc4015e02]

Also known as: Monster, Silverwave

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
8.1mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
White
Jewels
26j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1970

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seikata-wm-6f3dc4015e02