Bring a Loupe: A Vacheron Constantin Ref. 3681 ‘Altesse,’ A 1972 Heuer Autavia Ref. 1163MH ‘Pre-Viceroy,’ And A Rolex Ref. 6536/1 ‘Small Crown’ Submariner This week’s round-up of vintage watches from around the world. Continue reading ‘Bring a Loupe: A Vacheron Constantin Ref. 3681 ‘Altesse,’ A 1972 Heuer Autavia Ref. 1163MH ‘Pre-Viceroy,’ And A Rolex Ref. 6536/1 ‘Small Crown’ Submariner’ 0 Posted In: Uncategorized