Seiko Cal. 6390 - 686

Seiko 6390-686

This Automatic model from 1985 features a 35mm PVD Black case. Powered by the 6390 caliber with 18j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-964292930f4f]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
35mm
Case Thickness
10.3mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
Green
Jewels
18j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1985

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