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The carefully crafted die cut spheres of our OPEN HEART watches show part of the intricate wheel gears, balance wheel and escape while simultaneously showing the watch’s true face.
The metal dials are galvanized and treated by hand to achieve the “soleil”, pearlescent or plain black effect that defines the personality of our products.
This model is equipped with an Open Heart caliber designed and manufactured in Switzerland by Swiss Technology Production (STP).
The Swiss heart of our Calíope model beats at 28.800 vibrations per hour (4Hz), it has a 44 hour power reserve. Its complexion and open design make it possible to enjoy the marvellous movement of the sphere’s balance wheel and escape.
This Ø42 mm case has the perfect size to endow the watch with presence. Its polyvalence will allow you to wear it daily as well as on special occasions. The superior and inferior faces of the box are mirror polished, leaving the sides brushed horizontally.
- Mechanical movement
- Self-winding mechanism with ball bearing
- STP Swiss Movement, model STP5-15
- Visible balance wheel Open Heart
- Power reserve 44 hours and 26 jewels
- 28'800 vibrations per hour (4 Hz)
- Stainless steel 316L
- Back See - through sapphire crystal
- 42 mm
- 10 mm
- Sapphire crystal with anti-reflective treatmen
- Black Sphere
- Hour and minutes hands with Luminova
- Stop second device
- Authentic Alligator skin strap made in Spain
- 3 ATM
Every detail is important, therefore, all our automatic watches come in a fabulous vintage style natural wood box made in the Spain.