rood blauwe stoel rietveld 1918 6458 Diver It has a soft-iron inner

It has a soft-iron inner case in the back that is made of a special metal to prevent it from being magnetized in the cockpit of an aircraft

All I found were the brand does not seem Swiss Brand and has no connection with DOXA

Brand: LONGINES

and at 35 mm

オイスターブレスと呼ばれるハードブレスレット付き。こちらはスポーツタイプのロレックス用に作られた頑強なステンレスブレスレットで、単体で購入すると6-7万円ぐらいと中々のお値段がします。

rood blauwe stoel rietveld 1918 6458 Diver It has a soft-iron innerVitra Design Museum Miniatures Collection Rood blauwe stoel Rietveld, 1918 Gerrit Thomas Rietveld1918 Red and Blue Chair Size: H 145 x W 110 x D 1400 Gerrit Thomas Rietveld 1888624 196462520 [1]19111918 11 Vitra Vitra Design Museum20 1 6 11 100 Red and Blue Chair