Available $550 40mm

Hemel
Air Defense
Buy it directly from the brand's website.
A Chronograph watch, in a round stainless steel case, 40mm, with a black matte dial, sword hands and arabic numerals indices, powered by the ST19.
This reference is currently in stock and available for direct purchase from the brand. Its price sits close to the median for comparable watches in its segment, neither a premium nor a bargain within that group. The 113 comparable chronograph watches tracked in this size and price class range from USD 508 to USD 719.
Diameter
40mm
Lug to lug
47mm
Between lugs
20mm
Movement Type
mechanical
Movement Name
ST19
Power reserve
45 hours
Water resistance
10 bar
Crystal Type
sapphire
Crystal Description
Double domed sapphire with AR coating
Its scarcity score of 0/100 is the lowest possible, placing it among the easiest-to-get tracked watches in the catalog. The scarcity score here has moved down around 13 points across the past 179 days. It peaked near a score of 13 in May 2026. That tracks closely with what's typical for Hemel's catalog.
This reference has no sell-out history of its own yet. How Hemel models usually sell out and restock
No rush
Brand pattern · 34 models
About 65% of this brand's tracked models are currently in stock.
Scarcity rank (in its segment)Top 90%
Price vs segment17% below segment median
Last confirmed:
Tracked since 5/7/25 (542 days).
Available11/18/25
11 months straight
November 2025
Today
Unknown · for 3 hours11/18/25
The latest observed price was $549.99 on 10/31/26.
$549.99 USD10/31/26
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