Seiko Cal. 3860 - 680

The 3860-680 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3860 caliber with 23j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-0169e83378ca]

Also known as: Helmet, Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1981

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