Seiko Cal. 3871 - 873

Seiko 3871-873

The 3871-873 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3871 caliber with 25j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-c6ed09f7ab9e]

Also known as: Turtle

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
42mm
Case Thickness
8.6mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
110m
Dial Color
Silver
Jewels
25j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1982

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