Seiko Cal. 3860 - 902

The 3860-902 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3860 caliber with 27j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-ff5aaff7c374]

Also known as: Shogun, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1987

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