Seiko Cal. 3871 - 781

The 3871-781 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3871 caliber with 20j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-ae1d970822eb]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1994

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