Seiko Cal. 3871 - 780

Seiko 3871-780

The 3871-780 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3871 caliber with 34j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-dd760dd67697]

Also known as: Tuna, Bullhead

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
42mm
Case Thickness
15.1mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
200m
Dial Color
Champagne
Jewels
34j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1995

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seikata-wm-dd760dd67697