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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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Description
IWC Big Pilot, Heritage Black Dial Automatic 48MM Watch IW510301DESCRIPTION The IW510301 is a model that showcases the advancement of the Big Pilot collection from IWC with an in house caliber and a smoother visual facelift. The IW510301 has a stainless steel case that is 48mm in diameter, with a screw in crown, an anti reflective sapphire crystal, and an inner iron case to protect against magnetic fields. The dial is black with white Arabic numeral hour markers, a power reserve indicator sub dial, and a date
DESCRIPTION
The IW510301 is a model that showcases the advancement of the Big Pilot collection from IWC with an in house caliber and a smoother visual facelift. The IW510301 has a stainless-steel case that is 48mm in diameter, with a screw-in crown, an anti-reflective sapphire crystal, and an inner iron case to protect against magnetic fields. The dial is black with white Arabic numeral hour markers, a power reserve indicator sub-dial, and a date window. The IW510301 is powered by the manual 59215 caliber which has date functionality and a power reserve of an impressive 192 hours. The case is paired with a brown calfskin leather strap that has a stainless-steel fold-over clasp. It has a water resistance of 60 meters (200 feet).
SPECIFICATIONS
| Brand | IWC |
|---|---|
| Reference Number | iw510301 |
| Model | Big Pilot |
| Case Dimensions | 48MM |
| Case Material | Stainless-Steel |
| Bezel | Titanium |
| Bezel Function | Fixed |
| Dial Color | Black |
| Dial Markers | Arabic Numerals |
| Crystal | Sapphire |
| Movement | Manual |
| Bracelet Material | Leather |
| Closure | Fold-Over Clasp |
| Closure Material | Stainless-Steel |
| Functions | Date, Hour, Minute, Second |
| Watch Condition | Unworn. This watch ships directly from our warehouse and is not available for viewing in our showroom |
| Water Resistance | 60 Meters / 200 feet |
| Year | Unknown |
| Box | Original Factory Box |
| Papers | Original Factory Papers |
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
4.3 ★★★★★
Based on 86 reviews
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Product Reviews
★★★★★ 5
Just buy them
Color: Black,navy,burgundy,brown, Size: Small
Used to wear sliders all the time, figured i'd switch it up. These are super comfortable, probably the best material underwear I own. Great to just lounge around it or wear everyday. Fit is really good, I got a small and about 29-30" waist. Good bang for your buck too. I've washed them a handful of times and they hold up great, fit great and dont' shrink.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
★★★★★ 5
Good underwear. Husband likes them.
Color: Black, Size: Large
Husband wears XL and XL fit well. This is the second pack I got for him. They are decent quality, look and feel nice, not baggy yet not too tight anywhere. They are somewhat thin (but still supportive) and do not make him sweat more so he loves that. No problems washing (they didn’t shrink). Will continue to repurchase these.
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Reviewed in the United States on May 11, 2026
★★★★★ 5
Comfortable
Color: Black,navy,burgundy,brown, Size: Medium
I have had a lifetime of different briefs, some name brand, some generic.
I am 165 lbs, wear Medium, and these are closest to feeling commando of anything I’ve ever worn.
Comfortable, not too tight waist and legs, and yes silky touch yet not slinky.
Maybe not for support wear, but casual and cool comfort, the “Cat’s meow”.
I just came on to order some more
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Reviewed in the United States on April 30, 2026
★★★★★ 3
Great fabric - pouch too small!
Color: Black, Size: X-Large
First, the fabric used is wonderfully soft and comfortable. It;s the first thing noticed when package was opened. Strange, but the elastic waistband is about 1/2", very similar to a woman's style panty. But it's comfortable and easily acceptable.
The main problem is that the pouch that holds your "stuff" in place, is oddly and unnaturally small. Small enough where this average man's "stuff" tends to fall out of the pouch on one side or the other. I sleep in my underwear, and every time I did with these, I awoke with the front pouch off to the side and everything down there was hanging outside of the underwear.
They also seem to do well through a wash cycle. However, if the main reason for wearing underwear is to keep your stuff in place, these fail from the beginning.
I ordered another brand from overseas, and they had the exact same problems as these! I wonder if that's just how they make them outside of the USA.
The Bottom Line?
Uncle Steve Disapproved!
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Reviewed in the United States on October 30, 2025
★★★★★ 5
Premium cotton underwear at a modest price. Highly recommend!
Color: Multicolora6-4 Pack, Size: X-Large
Bought my husband 2 variety packs of these, and they are still great over 2 years in. High quality cotton briefs are breathable, colors are vibrant, and the fit is spot on. A good value at this price point compared to designer brands, and the product overall exceeds expectations in terms of comfort level, durability and appearance.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
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