Breitling
Breitling SuperOcean Automatic 46 A17378
The Breitling SuperOcean Automatic 46 (reference A17378) is a 46 mm stainless steel watch. It runs on the automatic caliber 17 ND with a 38-hour power reserve and is water resistant to 300 m. It was introduced in 2022 and is still in production.
Specifications
Case
- Reference
- A17378
- Collection
- Superocean
- Case size
- 46 mm
- Thickness
- 13.2 mm
- Case material
- Stainless steel
- Case shape
- Round
- Crystal
- Sapphire
- Water resistance
- 300 m
- Bracelet / strap
- Bracelet / Rubber strap (Stainless steel)
Dial and bezel
- Bezel
- Unidirectional rotating ceramic dive bezel, 0-60
Movement
- Movement
- Automatic
- Caliber
- 17 ND (base ETA 2824-2 / Sellita SW200-1)
- Power reserve
- 38 hours
- Frequency
- 28,800 vph
- Functions
- Time only, Dive bezel
Production
- Production
- 2022 – today (current)
Dial versions
This reference was made with these dials and finishes.
A173781A1I1A1 Yellow
A173781A1I1A1
Yellow
A173781A1I1S1 Yellow
A173781A1I1S1
Yellow
A17378211B1A1 Black
A17378211B1A1
Black
A17378211B1S1 Black
A17378211B1S1
Black
A17378E71C1A1 Blue
A17378E71C1A1
Blue
A17378E71C1S1 Blue
A17378E71C1S1
Blue
How it compares within the Superocean family
Side by side with other references in the same collection, from the catalog.
| Reference | Size | Material | Dial | Caliber | Years |
|---|---|---|---|---|---|
| A17378 (This watch) | 46 mm | Stainless steel | — | 17 ND | 2022– |
| A17316 | 36 mm | Stainless steel | — | 17 | 2018–2022 |
| A17366 | 42 mm | Stainless steel | — | 17 | 2018–2022 |
| A17367 | 44 mm | Stainless steel | — | 17 | 2018–2022 |
| A17375 | 42 mm | Stainless steel | — | 17 ND | 2022– |
| A17376 | 44 mm | Stainless steel | — | 17 ND | 2022– |
| A17377 | 36 mm | Stainless steel | — | 17 ND | 2022– |
| M17368 | 46 mm | Blacksteel (DLC-coated stainless steel) | Black / Blue / Yellow | 17 | 2018–2022 |
| Y17393 | 44 mm | Stainless steel | Black / Blue | 17 | 2017–2019 |
About the Superocean family
The Superocean name dates back to 1957, when Breitling introduced a professional dive watch. The modern Superocean line covers Breitling's dive watches with high water resistance, unidirectional bezels and bold, legible dials.
The catalog includes automatics and chronographs with calibers listed as 13, 17 and 32, in steel and Blacksteel, and the colourful models launched in 2022. Dealers identify the generation, size and dial and check the bezel and bracelet or strap.
Quick answers
- What size is the Breitling SuperOcean Automatic 46 A17378?
- The Breitling SuperOcean Automatic 46 A17378 has a 46 mm case, 13.2 mm thick.
- What movement does the Breitling SuperOcean Automatic 46 A17378 use?
- It uses the automatic caliber 17 ND, with a 38-hour power reserve.
- How water resistant is the Breitling SuperOcean Automatic 46 A17378?
- It is water resistant to 300 metres.
- Is the Breitling SuperOcean Automatic 46 A17378 still in production?
- Yes, it is a current reference.
- When did the Breitling SuperOcean Automatic 46 A17378 come out?
- It was introduced in 2022.
- What is the Breitling SuperOcean Automatic 46 A17378 made of?
- The case is stainless steel. Bracelet or strap: Bracelet / Rubber strap (Stainless steel).
- Which dials was the Breitling SuperOcean Automatic 46 A17378 made with?
- The catalog lists 3 dials: Yellow, Black, Blue.
Catalog facts checked October 2026.