The blue-dial Ingenieur 40, my favourite of the line. Genta's 1976 design, a stamped soft-iron grid dial and a 5-day movement.

42mm full-ceramic Ingenieur with integrated bracelet, first Genta design in all-ceramic.

41mm white ceramic pilot's watch from the TOP GUN line.

40mm steel pilot's watch with 120-hour power reserve, latest in the Mark series.

German watchmaker founded 1925 in Pforzheim, one of five original Fliegeruhr manufacturers.

39mm Type A Fliegeruhr in the BASIC line, classic black dial with Miyota automatic.

39mm Type A Fliegeruhr with blue dial, BASIC line.

42mm Type A Fliegeruhr with blue dial on steel bracelet, BASIC line.

40mm hand-wound classic dress watch from the Laco Classics collection.

Military watch supplier founded 1962, Swiss-made with tritium illumination and MILSPEC builds.

34mm General Purpose Mechanical with tritium illumination, military-issue field watch.

Swiss watchmaker founded 1975 in Saignelégier, known for the Aikon integrated-bracelet collection.

39mm integrated-bracelet sports watch, the brand's flagship line.

British watch brand founded 2003, specialist in tritium-illuminated military field watches.

All-black PVD variant of the SAS-issued MX10 field watch.

SAS-issued field watch with tritium illumination, webbing strap variant.

German watchmaker founded 1990 in Glashütte, known for Bauhaus design and in-house movements.

37mm sporty automatic with in-house DUW 3001 movement, 200m water resistance.

Swiss watchmaker founded 1905, known for Oyster case and in-house production.

36mm Oystersteel field watch, ref. 124270, the Explorer in its original size.

40mm Oystersteel field watch, ref. 224270, the larger Explorer variant.

Japanese watchmaker founded 1881, one of the most vertically integrated manufacturers in horology.

Seiko 5 Sports field watch with green dial.

Seiko 5 Sports field watch with black dial.

Seiko 5 Sports GMT field watch.