Seiko Cal. 3871 - 118

Seiko 3871-118

The 3871-118 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3871 caliber with 26j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-d329f0b6c48b]

Also known as: Bellmatic, Navigator

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
41mm
Case Thickness
15.2mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Cream
Jewels
26j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1986

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