Longines 431, High Beat 36000 A/h, 17 jewels, incabloc, 40 h power reserve, sweep second hand, Kif-Ultraflex regulator +1 (stem)
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03 / Longines movements, Automatic, For work, High-beat movements (36000 A/h)
Longines High Beat, automatic cal. 431 – FOR WORK
VinMov / Serbia GS 