Seiko Cal. 3863 - 123

The 3863-123 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3863 caliber with 21j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-ebefa712816a]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1967

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