Seiko Cal. 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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