Reference 2402 is a manual-wind, two register chronograph (30 minute capacity), in a stainless steel case; case is cylinder or puck shaped; Landeron 13 movement

Reference 2406 is a manual-wind, two register chronograph (30 minute capacity), in a stainless steel waterproof case, with round pushers; Landeron 13 movement

Reference 2433 is a manual-wind, two register chronograph (30 minute capacity), in a stainless steel case; described in the 1943 catalog as an "extra flat" model; Landeron 13 movement

Reference 347 is a manual-wind, two-register chronograph (30 minute capacity); 36 millimeter, stainless steel snap-back case has oval pushers and rounded lugs; Valjoux 22 movement (14 ligne).

Reference 349 is a manual-wind, two-register chronograph (30 minute capacity); 36 millimeter chrome-plated snap-back case; has oval pushers and rounded lugs; Valjoux 22 movement (14 ligne)

Reference 333 is a manual-wind, two register chronograph (30 minute capacity), in a stainless steel case; described in the 1945 catalog as a "flat model"; Valjoux 22 movement