Omega Ref. GS 141 LT

OMEGA COMPASS 24 HOUR DAY AND NIGHT DIAL Omega, "Compass Lépine", movement No. 6652549, case No. 7158847, ref. GS 141 LT. Made circa 1927. Fine and very unusual, silver and pink gold capped, keyless pocket watch with 24-hour day and night dial with points of the compass to Swiss patent No. 30613, the hour hand making one full rotation in 24-hours. Accompanied by a period Omega box. Dial, case, cuvette and movement signed, the case with Swiss and German silver marks. Notes DIAM. 51 mm. This kind of 24-hour dial allows the determination, in good weather, of the compass points, simply by pointing the hour hand towards the sun.