Seiko Cal. 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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