Haveston IVA Series L.O.S. Black Watch Strap

Earn up to 145 Holben’s Rewards points on this purchase
  • From Haveston, a company based in London, United Kingdom.
  • A NASA acronym, L.O.S. stands for “loss of signal.”
  • L.O.S. commonly occurred when a manned spacecraft momentarily lost communication with Earth during specific stages of flight, such as re-entry into Earth's atmosphere or navigating the far side of the moon.
  • While it could also signify an off-nominal event, L.O.S was a necessary and anticipated stage that, like other immeasurable unknowns of pioneering space flight, were overcome with engineering, perseverance and curiosity.
  • Black dense weave nylon exterior with black hook and loop lining.
  • Subdued grey mission patch symbol and historical tribute issue markings.
  • Full-length webbing lining provides uniform structure and support.
  • High-grip rubber locking keeper ensures secure closure (spare also included).
  • One-piece configuration provides security in the event of spring bar failure.
  • Robust stainless steel bead blasted hoop buckle makes this strap a highly secure mission tool.
  • Shorter than traditional externally mounted EVA straps; engineered for enhanced functionality, comfort and aesthetics.
  • Makes a great dive strap!
  • Double layer construction along with hook and loop configuration create a higher side profile than other Haveston straps.
  • Watches with limited spring-bar-to-case clearance: install bars over strap, or consider curved bars. Do not force strap through bars. Doing so may compromise strap, bars or case.
  • 1.6mm - 2.5mm thick.
  • 290mm (11-3/8") long, excluding buckle.
  • Fits wrists 160mm - 210mm (6-3/8" - 8-1/4").
  • Includes one free pair of strong, seamless double-flange stainless steel spring bars.

Q: Do you sell bands for women?
A: We do! Many of our short-length straps are the perfect size for women.

Q: Can you suggest a strap that looks amazing with my watch?
A: Unfortunately, because the range is so vast (and personal taste is subjective), we cannot advise regarding aesthetic suitability for specific models and styles of watches.

Q: I have an Apple watch. Will any of your straps work for me?
A: Sure! Our handy Apple watch band adapters accommodate most 22mm straps.

Q: Are spring bars available?
A: Yes, for each strap that is not already integrated with quick-release spring bars, we include one free pair of strong, seamless double-flange stainless steel bars.

Q: What strap size do I need?
A: To determine your size, use a metric ruler to measure the internal distance (in millimeters) between the lugs of your watch.

Q: My Bonetto Cinturini deployant strap is too long. Can you help?
A: Of course! See our Bonetto Cinturini sizing guide for cutting instructions.

Q: Do you offer international shipping?
A: Yes! Visit our Shipping & Returns page for more information.

Q: May I return my purchase?
A: Holben's Fine Watch Bands accepts returns of unworn, undamaged merchandise for refund or exchange within thirty days of purchase. Learn more on our Shipping & Returns page.

Need help with sizing?
  • Inspect the underside of your current watch strap for width indicators.
  • Measure the space between your watch lugs (in millimeters) using a metric ruler.
  • Research the specifications of your watch model on the manufacturer's website.
Shopping for your Apple watch?

Our stainless steel adapters enable the use of virtually any 22mm watch band with Apple Watch models 1-8, SE and Ultra, and are compatible with standard or quick-release spring bars.

Shipping & Returns

Not to brag, but Holben's is famous for our fast shipping!

United States deliveries:

All domestic shipping options include tracking.

FREE USPS Ground Advantage shipping (3-5 business day transit time) for orders over $39.
$4.95 USPS Ground Advantage shipping for orders up to $39.00.
$8.95 USPS Priority Mail (2-4 business day transit time).
$23.95 USPS Priority Mail Express (1-2 business day transit time).

International deliveries:

Quickly-dispatched USPS First Class International shipping for one flat fee of $16.95, regardless of number of items purchased.

Orders shipped outside of the USA may be subject to customs or import fees upon arrival in the destination country. Payment of any import duties, fees or taxes is the responsibility of the customer. Contact your local customs office for information regarding potential charges.

Returns & Exchanges

Holben's accepts returns of unworn, undamaged watch straps or accessories for refund or exchange within thirty days of purchase. (To ensure that items remain in original condition, please confirm suitability before fastening to your watch or wrist.)

All product packaging (bags, tags, cases, etc.) must be unaltered and returned with each item. Items without original packaging will be refused. Items that have been worn, resized, damaged or otherwise modified (including exposure to cologne, tobacco smoke, household air fresheners or other odors) will not be accepted.

Orders must be packed in a padded envelope or small box, and shipped via USPS with delivery confirmation. (Couriers such as DHL and UPS will not deliver to PO boxes.)


Please ship all returns to the address below, with a note stating your name, date of purchase and reason for return.

Returns Department
PO Box 10853
Bainbridge Island, WA 98110

We are happy to help with returns and exchanges. If you have any questions, please contact us.

Customer Reviews

Based on 7 reviews
Unique AND awesome

Not all unique things are awesome, but thankfully this is both. Haven't seen a strap made like this before, and I'm glad it looks great and is also comfortable. Also, thank god, it doesn't have the "melted itchy stitching" feel that a lot of nylon straps have. Feel smooth against my skin. Will be getting it in the other colors soon!

Nice quality velcro band!

Perfect match for my meteorite dial Seiko mod.

John N
Fun strap

This is my first strap that has the hook and loop system. It's a very fun strap to add to my collection of straps. I love the grey color and absolutely love the comfort on wrist. The strap is a little on the thick side so it won't fit all watches. I recommend this strap for someone looking for something a little different for their watches and for their strap collection.

Well made but...

This is a very well made band. I will be modifying it pretty extensively though and I wouldn't buy another. First, having the Velcro extend the whole length of the strap just makes it unnecessarily stiff and thick under the watch itself, I plan to remove some of it where the watch rides. Second, I have a 7 1/2 wrist and I think the whole thing is just really too long, so I'm going to have a shot at shortening the band. If I was going to use it over my moon suit (or maybe a wetsuit) I'd maybe appreciate the extra length.

Haveston IVA Series Skylab '73 Watch Strap

Exactly as described. Excellent quality, Fast shipping. I'm very satisfied.

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