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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
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Description
Black Bay 58 GMT M7939G1A0NRU-0003Black Bay 58 combining the heritage of Black Bay watches with the precision of a chronograph. Watch Specifications Case: 39mm stainless steel case with polished and satin finishes Bezel: 24 hour bidirectional rotatable bezel in stainless steel with black and burgundy anodized aluminum insert Dial: Black, domed, with gilt applied hour markers Movement: Manufacture Caliber MT5450 U (COSC and METAS certified) Self winding mechanical movement with
Black Bay 58 — combining the heritage of Black Bay watches with the precision of a chronograph.
Watch Specifications
- Case: 39mm stainless steel case with polished and satin finishes
- Bezel: 24-hour bidirectional rotatable bezel in stainless steel with black and burgundy anodized aluminum insert
- Dial: Black, domed, with gilt applied hour markers
- Movement: Manufacture Caliber MT5450-U (COSC and METAS certified) Self-winding mechanical movement with bidirectional rotor system Integrated GMT function
- Bracelet: 5-link stainless steel bracelet with polished and satin finishes with TUDOR “T-fit” clasp
- Waterproofness: Waterproof to 200m (660 ft)
- Crystal: Domed sapphire crysta
- Reference: M7939G1A0NRU-0003
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Under Armour never disappoints
Size: One Size Fits Most, Color: (001) Black / / White
Great waist bag that makes traveling more enjoyable and fun. It's width with compartments provides extra space for sorting out accessories
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Reviewed in the United States on June 7, 2026
★★★★★ 5
Lightweight and practical for carrying just the essentials
Size: One Size Fits Most, Color: (001) Black / / White
This waist bag is super practical and lightweight, perfect for days when I don’t want to carry a full purse. The fabric feels sturdy and the zipper works smoothly, nothing cheap or flimsy. It actually fits more than it looks phone, keys, lip balm, small wallet all organized without feeling bulky.
The strap adjusts well and stays in place, and it’s comfortable to wear crossbody or around the waist. It’s definitely more for essentials than for carrying a lot, but for quick errands, walks, gym or travel it’s perfect. Clean design, good quality, and easy to match with any outfit.
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Reviewed in the United States on December 7, 2025
★★★★★ 5
Great Bag
Size: One Size Fits Most, Color: (025) Castlerock / Black / Black
Plenty of space even for my book on the plane. No more need for a personal item. I will say that I made the mistake of hanging my hands on the belt bag and tweaked the muscles in my neck from that. Great durable back though. I paid around $20-25
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Reviewed in the United States on July 21, 2025
★★★★★ 5
Lots of room
Size: One Size Fits Most, Color: (001) Black / / White
This bag has more room than you would think, for something smaller.
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Reviewed in the United States on May 4, 2026
★★★★★ 4
Satisfied
Size: One Size Fits Most, Color: (025) Castlerock / Black / Black
Appreciating it thus far.
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Reviewed in the United States on January 14, 2026