Discover the elegance and detail of this heart beat moon phase date men’s automatic watch by frederique constant. Silver-tone dial; moon phase sub-dial and heartbeat aperture 40. 0mm gold-tone ion-plated stainless steel case with see-through case back; sapphire crystal swiss automatic self-winding movement; 38-hour power reserve croc-patterned brown leather strap; buckle clasp water-resistant to 60 meters we are an authorized frederique constant dealer