Seiko Cal. 3865 - 320

The 3865-320 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3865 caliber with 28j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-83376e86d6b1]

Also known as: Shogun, Bullhead

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1998

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