Seiko Cal. 3863 - 915

The 3863-915 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3863 caliber with 29j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-3af78842bfbf]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1970

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