The Maison du Temps MTZeta Coeur Ouvert Noir Doré Jaune Silicone Noir is a bold expression of contemporary watch design, combining mechanical sophistication with a striking modern aesthetic.
 
Its deep black dial is enhanced by refined gold-tone accents and an open-heart display that reveals the movement in motion, creating a captivating sense of depth and mechanical life. The contrast between the dark tones and vibrant yellow details gives the watch a dynamic, sporty character while maintaining an unmistakably luxurious presence on the wrist.
 
Crafted in stainless steel and paired with a comfortable black silicone strap, the MTZeta is designed for both everyday versatility and visual impact. At its heart beats a reliable automatic movement, delivering the authenticity and charm that mechanical watch enthusiasts appreciate.
 
Modern, expressive, and engineered with attention to detail, the MTZeta Coeur Ouvert is a timepiece for those who seek individuality, performance, and distinctive style in equal measure.
 
Diameter: 42 mm
Case: 316L Stainless Steel - Yellow Gold
Case thickness: 11 mm
Case back: Sapphire
Finish: Brushed and Polished
Strap: Yellow Gold Steel Folding Clasp or Silicone Pin Buckle
Lug width: 14 mm
Dial: Black - Open Heart
Indices and hands: Steel
Glass: Sapphire
Movement: Miyota 82S0 Automatic
Power reserve: 40 H
Water resistance: 10 ATM
Weight Steel: 155 g / Silicone: 95 g