Antique Watch Switzerland Black Dial Working Vintage Swiss Timepiece

This is a rare antique vintage Wyler INCAFLEX Navigator W from Switzerland. The black dial features attractive luminous hands that match the bold numerals for a good design.
Wyler is a Swiss watch manufacturer with a history of over 120 years, known for its hidden masterpieces.
Notably, they developed a shock-resistant device to protect the watch from impacts, a patented device called the "Wire Balance".
This particular model was manufactured around the 1950s and features Wyler's unique Incaflex balance spring, making it a rare find.
The case diameter is 1.30 inches, excluding the crown.
The lug width is 0.69 inches.
The thickness is 0.35 inches.
It is a hand-wound (manual) watch.
The watch has been overhauled.
It is currently operating within 10 seconds per day.
It does not have a hacking function (seconds hand stop).
The crystal is clean.