Seiko Cal. 3863 - 915

Seiko 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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