Wristwatch: very rare, early Jaeger chronograph... Lot 4030

Wristwatch: very rare, early Jaeger chronograph in steel/ pink gold, Reference 22487, from the 1940s Ca. Ø34.5mm, stainless steel case with pink gold 'Spider' lugs, Reference 22487, serial number 925388, pressed back, manual winding calibre 285, original dial with pink gold indexes and 45-minute counter, pink gold hands, tachymeter scale, like new leather strap, in working order, very rare.