18ct yellow gold Cartier ref. 78092 Tank Normale wristwatch. Made 1970

18ct yellow gold Cartier ref. 78092 Tank Normale wristwatch. Made 1970The Cartier Tank was created in 1917 and was released for general sale two years later. By the early 1920s the popularity of the Cartier Tank watch was rising, and variations of the watch appeared. Brand: Cartier Made: 1970's Model: Tank Reference: 78092 Calibre: 2512 Movement: Manual winding Material: 18ct yellow gold Features complications: Cartier deployant buckle Dial: Off white dial featuring black printed Roman numeral hour indices with inner

It was the first one produced exclusively with baton hands (instead of Alpha hands) and it was also the last Speedmaster produced without crown guards

Calibre: 321

Features/complications: Enamel bezel and Broad arrow hands

This piece with an original black dial is more unusual still and maintains its case proportions despite being over 70 years old

Case dimensions: 37mm

Case dimensions: 33 x 35mm

Brand: Vacheron & Constantin

Dial: Rose dial with outer minute track featuring luminous hour indices with luminous Oyster hour and minute hands and sub-seconds dial

Model: Cushion

Dial: Silvered dial with sunburst satin finish featuring outer minute track and baton hour indices with baton hands and date aperture at 3 o'clock with subsidiary seconds at 6 o'clock

It was the first automatic wristwatch that was powered by one barrel simultaneously for the time and alarm function (hammer against a vibrating blade)

Dial: Silvered dial featuring black printed baton hour markers with Roman numerals at 6 and 12 o'clock with black baton hands