Movement

​

• Type: Mechanical Automatic and Hand-Wound.
 

• Caliber: ETA Valjoux 7750. A well-regarded automatic chronograph movement, widely known for its reliability and precision.

• Frequency: 28,800 vibrations per hour (vph) or 4 Hz. This ensures smooth timekeeping with a high-beat movement for better accuracy.

• Power Reserve: 48 hours. This is the duration the watch will run when fully wound, without needing to be worn or manually wound. We recommend using the Tempus-Marker® (second hand) only when necessary and not as the central second hand.

• Jewels: 25 jewels. These synthetic jewels reduce friction within the movement, increasing longevity and precision.

• Complications: Chronograph, Hours, minutes, seconds, via the Tempus marker® (do not use as a centre second, this protects the movement), AM/PM, days, months, date, 30 minutes counter, Tempus marker.

 

Case

​

• Material: Grad 5 Titanium.

​

- Titanium (Ti): ca. 90%

- Aluminium (Al): ca. 6%

- Vanadium (V): ca. 4%

​

This mixture ensures a good balance of strength, corrosion resistance and workability.

To summarise, Titanium Grade 5 is considered to be highly biocompatible and hypoallergenic. Allergic reactions to this alloy are extremely rare and do not normally affect the titanium itself, but potentially other factors.

• Diameter: Ø 42 mm

• Thickness: 15,3 mm

• Water Resistance: 50 meters (5 ATM). 
We recommend avoiding contact with water.

• Crystal: Sapphire Crystal

• Case Back: Grad 5 Titanium. 12 Titanium Torx screws (T-screws), designed for better torque distribution and added security.

 

Dial

 

• Material: Bras with black, matt finishing
• Indices: Swiss Super-LumiNova®
• Hands (Hour and Minute): Swiss Super-LumiNova®

• Tempus marker® (Secondhand): Black, matt with red tip

• Color: Black

 

Strap

 

• Material: Natural rubber in M and L size
• Width: 22 mm
• Pin buckle: Grad 5 Titanium

 

Performance

 

• Accuracy: +6/-4 seconds per day

 

 

This layout reflects the main technical aspects and features typically found in watches powered by the ETA Valjoux 7750.