Seiko Cal. 6390 - 664

Seiko 6390-664

This Kinetic model from 1997 features a 40mm Hardlex-Coated Steel case. Powered by the 6390 caliber with 20j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-35f082407fba]

Also known as: Navigator

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
13.7mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Silver
Jewels
20j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1997

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