For this week's giveaway, we've teamed up with Lululook to offer MacRumors readers a chance to win a new Apple Watch Ultra 4. Lululook makes all kinds of accessories for Apple devices, including the Apple Watch. The company has a selection of Apple Watch bands that work well with the new Series 12 and the Ultra 4 models.

Lululook's $129.99 Strata Milanese Band matches the Apple Watch Ultra 4. It is made from 99 percent woven grade 5 titanium, and it has a coating that protects it from scratches. The Strata band comes in black and natural finishes, and the titanium is about 40 percent lighter than stainless steel. The band has a spring-loaded titanium locking mechanism with a side-press button to open it. Lululook says the band will stay in place during workouts and activities from running to swimming. While made for the Ultra, the band works with the larger 44mm to 49mm Apple Watch models, and it comes in medium and large size options to fit wrists from 155mm to 210mm.

For a more casual look, Lululook sells the $36.99 MagDuo Reversible Apple Watch Band. As the name suggests, the band has a dual color scheme, and users can flip between two color options. The exterior of the band features pebble-textured silicone, while the interior is made of soft silicone so it is comfortable to wear all day. The MagDuo band has a breathable hollow design to keep the wrist cool, and it uses a double-sided magnetic closure. Lululook says the magnet was tested to 1.3kg of pull, and there are extra loops for security. Colors include Graphite Gray/Driftwood, Cobalt Blue/Mist Blue, Pink/Purple, Black/Orange, Desert Dune/Cream, and Onyx Black/Beige. The MagDuo is compatible with all Apple Watch models, and there are two size options.

Lululook is offering MacRumors readers a discount code on the Apple Watch bands. Just use promo code Macrumors for 10 percent off at checkout. We have an Apple Watch Ultra 4 for one lucky MacRumors reader. To enter to win, use the widget below and enter an email address. Email addresses will be used solely for contact purposes. You can earn additional entries by subscribing to our weekly newsletter, YouTube channel, or following us on social media. Due to the complexities of international laws, only U.S. residents who are 18 years or older, UK residents who are 18 years or older, and Canadian residents who have reached the age of majority are eligible to enter. The contest runs from September 25 to October 2.