Description
43.5mm automatic open-heart watch with rainbow crystal bezel
A rainbow crystal-set bezel surrounds the open-heart dial of this 43.5 mm automatic watch. Choose from blue, silver, black and rose-tone style combinations, each with its own gallery. A steel bracelet and exhibition caseback complete the design.
Specifications
Case diameter: 43.5 mm / 1.71 in. Case thickness: 16 mm / 0.63 in. Bracelet width: 20 mm / 0.79 in. Metal case, hardened mineral glass, exhibition caseback and luminous hands and markers.
Everyday care
30 m water resistance is intended for everyday splashes. Do not wear for swimming, showering or diving. Keep the crown closed and do not adjust it when wet. Luminous visibility varies with prior light exposure.
Product presentation includes AI-assisted imagery based on the supplied product references.
Questions about MG1401
What distinguishes this watch?
Its rainbow crystal-set bezel frames an open-heart dial, rather than a fully openwork dial. The gallery shows the bracelet and case finish for each selected style.
How large is the case?
The listed case diameter is 43.5 mm (1.71 in) with a 16 mm (0.63 in) thickness. Check both measurements against a watch you already wear.
Before choosing, read our guide to how automatic mechanical watches work and comparing case diameter and thickness.

















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