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New RM Automatic Mechanical WristWatch Luxury Waterproof Sports Watch

$49.00
$300.00 84% Off
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CALIBRE RMAL1

Skeletonised automatic-winding movement with hours, minutes, seconds and variable-geometry rotor.

POWER RESERVE

Circa 55 hours (± 10%).

BASEPLATE AND BRIDGES IN GRADE 5 TITANIUM

The baseplate and bridges are in wet-sandblasted grade 5 titanium, which has been PVD/Titalyt® treated and stretched to ensure supreme rigidity and impeccably smooth surfaces.

The skeletonised baseplate and bridges were subjected to separate and extensive validation tests to ensure they met rigorous strength requirements. Consequently, the RM  can withstand accelerations of up to 5,000 g’s.

MOVEMENT CHARACTERISTICS

Movement dimensions: 30.25 x 28.45 mm
Thickness: 4.45 mm
Number of jewels: 32
Barrel arbour: in AP 20 steel
Balance: Glucydur®, 2 arms and 4 setting screws, moment of inertia 4.8 mg•cm2, angle of lift 53°
Frequency: 28,800 vph (4 Hz)
Balance spring: elinvar by Nivarox®
Shock protection: INCABLOC 908.22.211.100 (transparent)
Escapement wheel jewels: Rubifix (transparent)
Two-position stem: Manual winding and time setting