Seiko Cal. 3871 - 351

The 3871-351 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3871 caliber with 25j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-41811c42d498]

Also known as: Turtle, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1977

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