Seiko Cal. 3863 - 965

The 3863-965 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3863 caliber with 34j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-d072e7ce24b7]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1983

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