Seiko Cal. 3871 - 135

The 3871-135 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3871 caliber with 21j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-682e563fbd88]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1997

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