Seiko Cal. 3871 - 399

The Seiko 3871-399 represents an important milestone in Seiko's 1992 lineup. Powered by the 3871 caliber with 31j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-e4d2a167f6f8]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1992

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