Breitling Superocean Heritage A1732016/C734

The case measures 46mm across and 13.6mm thick. Case material: Stainless steel. Case size alone is a poor guide to how a watch wears; lug-to-lug length and how the bracelet drops off the case matter more, which is why we suggest trying one on before you commit.

Automatic, Breitling Caliber 17 (base ETA 2824-2 or Sellita SW200-1), COSC-certified chronometer.

It is rated to 200 meters, about 656 feet. That is a diving rating: it is built for scuba use, not just for getting wet. One caution that applies to every watch on this page: a water resistance figure describes a new watch with fresh gaskets. On a piece that is years past its last service, treat the rating as unknown until it has been pressure tested.

Breitling produced this reference from 2007 to the present day. Production years matter when you are valuing one, because dial, bezel and bracelet details often changed inside a single reference run.

Chars 2-3 = movement family (10-49 mechanical, 50+ quartz; in-house calibers carry a leading B); char 4 = COSC certification (3 = COSC); chars 5-6 = model type; chars 7-8 = case/bezel finish; the group after the slash carries the dial code, whose first letter is the dial color (C = blue). Applied here: A / 17 / 3 / 20 / 16 / C734 = steel case, Caliber 17 family (ETA 2824-2 base, NOT in-house), COSC, model 20 = Superocean Heritage 46, blue dial. LONG form, so the dial IS determined; the bracelet suffix is absent. Breitling does not publish this scheme. It is compiled from collector documentation and reads as a reliable guide rather than a manufacturer specification.. Reading the reference is the fastest way to confirm that a watch is what the seller says it is, before you get anywhere near the movement.

Yes. We buy this reference outright, and we lend against it if you would rather keep it. We are a family-owned San Diego buyer established in 2006, our appraisers are GIA-trained, and the appraisal is complimentary with no obligation to sell. You can bring it to our Gaslamp showroom at 907 Sixth Ave or start online. If you are looking to buy this reference instead, tell us and we will let you know when one comes in.