Tudor Black Bay 54 Lagoon Blue watch M79000-0001. This 37mm stainless steel dive watch features a polished and satin finish case, blue domed dial, domed sapphire crystal, and a 60-minute unidirectional bezel. It runs on the in-house MT5400 automatic movement with COSC certification and a 70-hour power reserve. Waterproof to 200m, it includes a screw-down crown with the TUDOR rose, and comes on a five-link steel bracelet with the “T-fit” clasp. All TUDOR watches come complete with a 5 year manufacturers guarantee. Presented in branded TUDOR packaging.
Don’t know the finger size? Don’t worry, we offer a complimentary finger sizing service.
We stock a wide range of finger sizes and advise that M is the most popular for women and T for men.
If your choice doesn’t fit we can adjust any of our classic styles and we offer the first sizing free of charge. If we can't size the ring, we'll exchange it for the correct size up to 90 days after purchase.
How do I find my ring size? If you need help finding your ring size, use the our guides below or simply pop into one of our boutiques and we’ll size your finger for you.
Downloadable Ring Sizer If you already have a ring in your required size, download and print our Printable Ring Sizer. For best results, your ring should have a similar band and style as the ring you wish to order.
Complimentary Multi-sizer Ring Gauge If you don’t have a ring in your size, simply fill in your details below and we will post you out a free re-useable Multisizer Ring Gauge. Slip it onto your ring finger, tighten the strap and read your finger size on the gauge.
