U-BoatSwiss Made Ronda 712 Quartz Movement – Lubricated with an Oil Bath -Working between 0/+60C when not worn.

44mm AISI Black PVD316L Stainless Steel Case Completely Filled with a Special Oil that Emphasises and Improves Legibility on the Dial – High Quality Domed Sapphire Crystal Glass with Anti-Reflection Treatment – Innovative Locking System with Quick Battery Replacement –Distinguishing Crown on Left Side –Screwed In Black PVD 316L Stainless Steel Case Back.

Domed, Black Painted Metal Dial – Number and Indexes Treated withAquamarine Superluminova – Hands Treated with Aquamarine Superluminova.

Laser-engraved QR code to Provide Access to an Exclusive Digital Experience via Smartphone.

22/20mm WidthAquamarine Ultra-Resistant Silicone Strap, Personalised with the Logo of the Maison in Relief – Black PVD StainlessSteel Tongue Buckle.

Water Resistant to 50M 5ATM