Diver 300 Heritage Watch AL-525S4H6 Franck Muller Innovative “Oil Immersion” concept in

Innovative “Oil Immersion” concept in a 40 mm format with a new curved dial

There is also a lock to ensure your cherished timepieces remain safe

This style features the signature Alpina triangle pattern dial in black

Comes on a brown calf leather strap

Diver 300 Heritage Watch AL-525S4H6 Franck Muller Innovative “Oil Immersion” concept inThe Seastrong Heritage model is inspired by the 1960s professional diver design, a beautiful re issue of this historic model. This timepiece features an automatic movement with a 60 minute internal rotating bezel. It also has a textured rubber strap, vintage white and black dial, screw down crown and an engraved caseback to protect the movement from everyday elements. The Heritage model comes in a special wooden box with history plaque.