Brand: Rolex Item name: Submarinade tritium Item name (English):Submariner Date Model #: 16610LN (U) Material: SS Case Material: Stainless steel Strap Material: Stainless steel Movement: Automatic winding Weight: 129.2 g Case diameter (H): 40 mm (1.57 in) Case diameter (W): 40 mm (1.57 in) Arm circumference (cm): 19.5 cm (7.68 in) Dial: Black Year of production: 1997 Accessories: details: In-house 3 month Maintenance: Polished Item Description: Among Rolex's sports models, this is a Submariner with a date. It is waterproof, highly visible, and has a date display function, making it a watch that can be used for both business and business purposes. Item Condition: The hands, dial, and luminous points are tritium. The tritium has started discoloring to a cream color. Number U. This is an item purchased overseas.