The Rolex Sea-Dweller In Two-Tone Steel And Yellow Gold Ref. 126603

Brand: Rolex Model: Sea-Dweller Reference Number: 126603

Diameter: 43mm

 Thickness: 15mm 

Case Material: Stainless steel with yellow gold bezel and crown

 Dial Color: Black Indexes: Luminous dots with yellow gold surrounds

 Lume: Chromalight on hour markers and hands

 Water Resistance: 1,220 meters 

Strap/Bracelet: Oyster bracelet in stainless steel and yellow gold, with Oysterlock safety clasp, Glidelock extension system, and Fliplock extension link

Caliber: 3235

Functions: Hours, minutes, seconds, date

Diameter: 28.5mm

Power Reserve: 70 hours

Winding: Automatic

Frequency: 4 Hz (28,800 vph)

Jewels: 31

COSC Chronometer Certified

Additional Details: Regulated to +2/-2 seconds per day, utilizes Chronergy escapement