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Ball Engineer M Marvelight Automatic Watch, BALL RRM7309-C, 43mm, NM2128C-S1C-BK

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Brand
Ball

Line
Engineer M

Reference
NM2128C-S1C-BK

Movement
Automatic

Caliber
BALL RRM7309-C

Jewels
25 jewels

Power Reserve
80 Hours

Frequency
28800 A/h

Case Material
Stainless steel

Dial color
Black

Crystal
Anti-reflective Sapphire

Case Back Crystal
Anti-reflective Sapphire

Diameter
43 mm
Thickness
13,05 mm.

Crown
Screw-down crown

Water resistant depth
10 atm

Shock resistance
5000 Gs

Antimagnetic
4800 A/m

Calendar type
Day

Lume components
Hands and indices

Lume Material
H3 Gas tubes

Number of gas tubes
17 Micro gas tubes

Bracelet
Stainless steel

Clasp type
Foldover clasp

Warranty
2 years

Country of Manufacture
Switzerland

 

Additional information:

  • COSC
  • Ball Watch pays tribute to its founder, Webster Clay Ball, with the Engineer M Marvelight model, the first watch equipped with a mechanism manufactured by the house itself, the BALL caliber RRM7309-C, with a power reserve of 80 hours. The dial and hands of this watch are equipped with luminescent microgas tubes. The H3 gas is encapsulated in glass microtubes and the energy of the light is released when the H3 molecules hit the colored inner surface of these tubes. It is Swiss technology and this luminescence can be prolonged over time for at least 25 years without needing to be recharged by any external energy source.



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