this section is focus on early rolex oyster with different dial name examples everest, firefly etc, retailer signing examples burcherer, mappins etc, special configuration examples half roman half arabic, military 24 hours etc, special dial material examples enamel dial, cloisonee etc.
examples in the picture is a oyster royal observatory with 24 hours inner dial, Sold.
oyster speedking semi california dial
very nice original early 40's semi california dial oyster, model 4220, case diameter 29mm without crown, recently serviced, very original overall condition.