Seiko Cal. 3863 - 712

The 3863-712 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3863 caliber with 26j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-749676cdc30d]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1967

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