Seiko Cal. 3863 - 203

The 3863-203 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3863 caliber with 20j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-5d2f6733288a]

Also known as: Shogun, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1971

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