1970s Baume & Mercier 18K White Gold Mechanical Tank Ref. 370771970s Baume & Mercier 18K White Gold Mechanical Tank Ref. 37077 SpecsCaliber: Cal. BM775 Manual Wind Movement Case Width: 23. 5mm Lug Width: 17. 5mm Thickness: 6mm Lug to Lug: 31. 4mm Details Unpolished 18K Solid White Gold Tank Case Mint Glossy White DialBlack Painted Baume & Mercier LogoBlack Painted Roman Numeral Hour Markers Black Minute & Hour HandsSigned Solid Gold Case Back Signed BM Manual Wind MovementOriginal Blue Cabochon CrownSwiss Made at

1481) Case Width: 36mm

•Very rare diver model with an amazing green pattern patina dial

Convex Acrylic Crystal

Original Unsigned Crown

Accuracy+3sec/day

5mmLug Width: 19mmThickness: 11

Stainless Steel Tachymetre Bezel

• Crown is very sharp and in great condition

1960s “Longines” Wittnauer

Small ding on crystal edge at 6

Drilled lugs•Clean movement

Signed Clasp