Timepiece Hunter

Rolex Sea-Dweller 126603 vs 126660

The 126660 is typically USD 4,976 (28%) cheaper than the 126603, comparing median asking prices from dealers in 16 countries on 14 November 2026.

126603126660
Median askingUSD 17,901USD 12,925
Lowest askingUSD 12,984USD 9,400
Highest askingUSD 23,970USD 17,380
For sale5275
Cheapest marketTaiwanHong Kong
Sold, last 90 days46
Typical days to sell7774
ModelSea-DwellerDeepsea
Case43 mm44 mm
Case materialSteel and yellow goldSteel
BezelCerachrom ceramicCerachrom ceramic
DialBlackBlack
BraceletOysterOyster
MovementRolex 3235Rolex 3235

126603

See all 52

126660

See all 75

Questions about the 126603 and 126660

Is the 126603 or the 126660 cheaper?

The 126660 is typically USD 4,976 (28%) cheaper than the 126603, comparing median asking prices from dealers in 16 countries on 14 November 2026.

Which sells faster, the 126603 or the 126660?

The 126660 has typically sold after 74 days on sale, the 126603 after 77, over the last 90 days.

What is the difference between the 126603 and the 126660?

Model: Sea-Dweller on the 126603, Deepsea on the 126660; case: 43 mm on the 126603, 44 mm on the 126660; case material: Steel and yellow gold on the 126603, Steel on the 126660.

Where is each one cheapest?

The lowest asking price for the 126603 is in Taiwan (USD 12,984), and for the 126660 in Hong Kong (USD 9,400).

Set up an alert

More options

Free. One email a day at most, around 8am Singapore time (00:00 UTC), only when there is something new. Each alert runs for 90 days unless you keep it.