Racing Gravity

Armin Strom Racing Gravity ST14-GR.90 is a highly distinctive 50-piece limited edition that combines independent Swiss watchmaking with a direct Formula 1-inspired concept. Produced as part of Armin Strom’s Racing collection, the model was developed with the Marussia Formula 1 connection and incorporates movement bridge material derived from an original Formula 1 engine block, giving the watch a genuine motorsport story beyond simple styling.

The 43.4 mm case combines titanium for the bezel and caseback with a black Physical Vapour Deposition-coated steel mid-case, creating a lightweight yet technical construction. At 13 mm thick, it retains strong wrist presence while remaining wearable. The watch features an anti-reflective sapphire crystal, exhibition caseback and 5 ATM / 50 metres water resistance.

Power comes from the in-house automatic Calibre AMR13-MR, an openworked manufacture movement with off-centre hours and minutes, small seconds and a dial-side micro-rotor. The movement is built from 171 components, uses 32 jewels and offers an impressive 5-day power reserve, underlining Armin Strom’s technical capability as a true manufacture.

The skeletonised display gives the watch a strong mechanical identity, with visible bridges, exposed architecture and a bold racing-inspired character. This example is presented in good pre-owned condition, supplied with box and papers, warranty dated September 2018, a rubber strap and spare leather strap. Recommended watch winder setting: both directions, 650 turns per day.