For one new crystal as shown. Crystals are case reference code specific, and each case has it's own crystal part number.
NOS Longines Wrist Watch Crystal Part Ref # 2377 Acrylic New Old Stock (C1D3)
NOS Longines Wrist Watch Crystal Part Ref #CBL9634 Acrylic New Old Stock (C1D3)
NOS Longines Wrist Watch Crystal Part Ref # 2637 Glass New Old Stock (C1D3)
NOS Wittnauer Wrist Watch Crystal Part # W104-3002 Acrylic New Old Stock (C1D3)
NOS Longines Watch Crystal Part #1260-30 Acrylic New Old Stock (C1D2)
NOS Wittnauer Wrist Watch Crystal Part # 6007 Acrylic New Old Stock (C1D3)
