Seiko Cal. 6391 - 240

Seiko 6391-240

This Kinetic model from 1965 features a 42mm Gold-Plated case. Powered by the 6391 caliber with 20j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-c87bbb6cc445]

Also known as: Arnie, Flighty

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
14.4mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
40m
Dial Color
Burgundy
Jewels
20j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1965

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