The Tudor Black Bay Watch is composed of a 41mm round shaped stainless steel case and blue leather strap with a fold over clasp. It has a black analogue dial with luminescent dial hands, which is protected beneath scratch resistant sapphire crystal glass. Power is generated by the chronometer certified automatic movement. This model is also water resistant up to 200 metres. - Model Number M79230B-0007 - Serial Number *****995 - Year of Manufacture 2022 Click here to view our entire Men's Pre-Owned Watch collection Alternatively, to make enquiries or view items in person please call or visit your local T.H. Baker store. Click here to find your nearest store