1990 Rolex Day-Date 18238 - 18K Yellow Gold Blue Dial Emerald The 34mm case is perfectly

The 34mm case is perfectly balanced for daily wear

all in a package that is both elegant and highly functional

and the Lapis Lazuli dial on this example is in perfect

The crown is an aftermarket replacement

Here's a vintage Corum manual wind tank in 18k yellow gold with an onyx dial with diamonds from the 1980s

1990 Rolex Day-Date 18238 - 18K Yellow Gold Blue Dial Emerald The 34mm case is perfectlyThe Gold Standard With A Modern Engine The Rolex Day Date has been the definitive statement of prestige for over sixty years, a watch made exclusively in precious metals. The reference 18238 represents a critical step in its evolution, introducing the highly practical double quickset movement. This innovation allowed the owner to independently set both the day and date, a major upgrade that brought modern convenience to the classic 36mm design. It