Armchair 400 “Tank“Model: Armchair 400"Tank" armrests birch Frame: birch, clear lacquer Seat and back: 60 Leather Srensen Prestige, 10 40680 (cognac) Product story: As voluminous as it is comfortable, Armchair 400 was created by Alvar Aalto in 1936 for an exhibition at the Milan Triennale, where it was promptly awarded a prize. The chair owes its nickname Tank to its distinctive wide and sturdy armrests made of form bent birch lamella and to its robust upholstery. The