The Rolex Sea-Dweller Deepsea 44 mm Steel Black (ref. 136660) is a men's dive watch with a 44 mm round case in stainless steel. It has a black and blue dial under sapphire crystal.
It is powered by the self-winding mechanical calibre 3235 with a power reserve of 70 hours. Functions: Date. Water-resistant to 3900 m. The watch is fitted with an Oyster bracelet.
