Reference · Seamaster De Ville
Omega 166.020 (166.0020)
Omega's vintage database lists 2 variants of 166.0020, in 1962. Omega's 2012 case sheet for it lists 13 part numbers for the case, by metal: BA, BB, BC, BD, BG, CD, CE, DA, MD, ST. Here is all of it, as Omega records it.
In Omega's records
| Reference | Year | Case and rating | Calibre | Movement |
|---|---|---|---|---|
| CD 166.0020 | 1962 | Gold cap on stainless steel, unishell, opens from the dial side, 3 bar (30 m) | 562 or 565 | Automatic |
| ST 166.0020 | 1962 | Stainless steel, unishell, opens from the dial side, 3 bar (30 m) | 562 or 565 | Automatic |
Source: Omega's vintage database, as held in the reference lookup. The letters in front of the reference are the case metal: gold or plated?
Omega 166.020 on eBay: For sale now What they sold for
Case parts, from Omega's 2012 case sheet
Every line below is Omega's part number and Omega's own description, as printed on its case sheet for 166.0020. “For” is the case metal each part is listed for: ST steel, BA 18k yellow gold, CD gold cap, MD gold-plated, and so on, the letters that sit in front of your reference. Prices on the sheet are 2012 prices and are left off.
Crystal
| Part number | As Omega prints it | Qty | For |
|---|---|---|---|
| 063PX5072 | GLASS PLEXI 2N RING D31.60 H5.12 | 1 | BA, BB, BD, CD, DA, MD |
| 063PY5072 | GLASS PLEXI 5N RING D31.60 H5.12 | 1 | BG, CE |
| 063PZ5072 | GLASS PLEXI ST RING D31.60 H5.12 | 1 | BC, ST |
Crown
| Part number | As Omega prints it | Qty | For |
|---|---|---|---|
| 069ST42531 | STEEL CROWN | 1 | BC, ST |
| 069SX42531 | CROWN PLATED PVD YELLOW 2N | 1 | BA, BB, BD, CD, DA, MD |
| 069SY42531 | CROWN STEEL PLATED PVD PINK 4N | 1 | BG, CE |
Bezel
| Part number | As Omega prints it | Qty | For |
|---|---|---|---|
| 082BA1660020 | BEZEL YEL GOLD 18K 2N18 | 1 | BA, BB |
| 082ST1660020 | STEEL BEZEL | 1 | ST |
Case tube
| Part number | As Omega prints it | Qty | For |
|---|---|---|---|
| 090BA1217 | YEL/GOLD CASE TUBE 18K | 1 | BA |
| 090ST0099 | STEEL TUBE | 1 | CD, CE, DA, MD, ST |
Stem and casing clamps
| Part number | As Omega prints it | Qty | For |
|---|---|---|---|
| 081ST9993 | 1/2 HANDSETTING STEM CROW D.0,90 | 1 | BA, BB, BC, BD, BG, CD, CE, DA, MD, ST |
| 72205501911S | CASING CLAMPS, SPECIAL SHAPE | 1 | BA, BB, CD, CE, ST |
Other case parts
| Part number | As Omega prints it | Qty | For |
|---|---|---|---|
| 08405501996A | MVT. FIXING RING | 1 | ST |
The 166.0020 crystal on eBay: For sale now What they sold for
Search any number above in the parts finder, check the crystal in the crystal lookup and the hands in the hands lookup.
Is your 166.020 all original?
The reference, the calibre, the crystal, the crown and the dial have to agree with Omega's records. Six photos and the weight, and I check them against Omega's own case sheet and put it in writing. Nothing to pay until I confirm the photos can answer it.
Questions people ask
What movement is in the Omega 166.020?
Omega's database lists 166.0020 with the calibre 562 or 565 (1962). Omega's 2012 case sheet lists it with the 560, 562, 565.
What crystal fits the Omega 166.020?
Omega's 2012 case sheet lists 063PX5072 (BA, BB, BD, CD, DA, MD); 063PY5072 (BG, CE); 063PZ5072 (BC, ST). The letters after each number are the case metals it is listed for, the same letters that sit in front of the reference.
What crown fits the Omega 166.020?
Omega's 2012 case sheet lists 069ST42531 (BC, ST); 069SX42531 (BA, BB, BD, CD, DA, MD); 069SY42531 (BG, CE).
Watch Breaker is an independent identification specialist and parts dealer and is not affiliated with, endorsed by or connected to Omega SA or the Swatch Group. Omega is a trademark of Omega SA. Reference data is from Omega's vintage database; case parts are from Omega's 2012 case sheets, transcribed as printed; no pages are reproduced and no prices are shown. eBay links are affiliate links. Terms.