121 - RELAY, France. Thermo-Nautic. An interesting diver-style wristwatch featuring a bimetallic thermometer integrated into the center of the dial. Tonneau-shaped case with a screw-down steel caseback. Black dial with luminescent Arabic numerals and a date window at 3 o’clock, signed. Luminescent baton hands and central seconds hand. Black, graduated, rotating outer bezel. Case width (excluding crown): 35 mm. Hand-wound mechanical movement, shock-resistant to 2000 (functional at the time of sale, no warranty). 1970s. Good condition, with wear and tool marks on the back of the case; cracked Plexiglass. Comes with a black rubber Alaska strap, which has been replaced.

RELAY, France. Thermo-Nautic. An interesting diver-style wristwatch featuring a bimetallic thermometer integrated into the center of the dial. Tonneau-shaped case with a screw-down steel caseback. Black dial with luminescent Arabic numerals and a date window at 3 o’clock, signed. Luminescent baton hands and central seconds hand. Black, graduated, rotating outer bezel. Case width (excluding crown): 35 mm. Hand-wound mechanical movement, shock-resistant to 2000 (functional at the time of sale, no warranty). 1970s. Good condition, with wear and tool marks on the back of the case; cracked Plexiglass. Comes with a black rubber Alaska strap, which has been replaced. This type of thermometer watch (Thermo-Nautic) was also distributed during the same period by other French watch brands, such as Lip and Difor.