Seiko Cal. 6391 - 544

Seiko 6391-544

This Kinetic model from 1970 features a 42mm Hardlex-Coated Steel case. Powered by the 6391 caliber with 24j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-e01f55a73a00]

Also known as: Navigator

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
12.8mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Silver
Jewels
24j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1970

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