Seiko Cal. 3863 - 375

The 3863-375 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3863 caliber with 21j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-917065d61959]

Also known as: Monster, Shogun

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1966

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