Fantastic pre owned Rolex Sea Dweller 
MetalMetal: Stainless Steel
ConditionCondition: Pre-Owned
FinishCrystal: Flat Sapphire Crystal (no Cyclops lens)
Average WeightCase Diameter: 40mm
LengthDial: Black "Swiss Only" Dial
WidthHelium Escape Valve: Yes
Clasp/BailBezel: Unidirectional Black Aluminum Insert
Retail PriceCase Back: Engraved “Rolex Oyster Original Gas Escape Valve