Seiko Cal. 6390 - 911

Seiko 6390-911

This Automatic model from 1970 features a 34mm Gold-Plated case. Powered by the 6390 caliber with 27j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-9f7a566ddaa1]

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
13.5mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
100m
Dial Color
White
Jewels
27j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1970

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