Seiko Cal. 3860 - 509

Seiko 3860-509

This Automatic model from 1976 features a 42mm PVD Black case. Powered by the 3860 caliber with 33j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-46159c0102b4]

Also known as: Samurai, Golden Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
42mm
Case Thickness
13.2mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
100m
Dial Color
Cream
Jewels
33j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1976

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seikata-wm-46159c0102b4