Hello All! I have an Omega Speedmaster Perpetual Calendar BA 175.0037 for sale. Please take a look at the photos for condition and read entire listing. This is the most complicated Speedmaster ever produced. Made to a limited 50 examples. Watch Description Brand: Omega Ref: BA 175.0037 Material: Stainless Steel Crystal(s): Acrylic Movement: 1160 Diameter: 39mm Warranty: none Accessories: none Condition Movement: Runs strong and all functions work as should Crystal(s): Great and clear (excuse any little dust particles). Case: Overall Great Condition Dial: Original Tritium Hands: Original Tritium Bezel: Overall Great Condition for its age Bracelet: comes with the original leather strap and original 18k yellow gold buckle Asking 22000 shipped via FedEx. Face to face available in NYC References available by request or in the feedback section. Also search for “Kringkily” on popular search engines to find many reviews. I am a watch collector and I am not affiliated with any brand. All my watches I guarantee authenticity. *Only comes with what is shown in photos unless stated in ad *Service history on the watch is not known unless stated in ad