Sold out $321 42mm

JDM-Military
Challenger Chrono
Buy it directly from the brand's website.
A Chronograph watch, in a round stainless steel case, 44.5mm, with a black textured (matte/grain) dial, sword hands and applied metal indices, powered by the 20th.
This reference is currently in stock and available for direct purchase from the brand. Within Reactor's own catalog, this reference is priced close to the brand's median, in line with most of the lineup. It is one of Reactor's 49 actively tracked models.
Diameter
44.5mm
Between lugs
30.5mm
Thickness
15mm
Weight
210g
Movement Type
quartz
Movement Name
20th
Water resistance
20 bar
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 54 points across the past 179 days. It peaked near a score of 59 in July 2026. That tracks closely with what's typical for Reactor's catalog.
This reference has no sell-out history of its own yet. How Reactor models usually sell out and restock
No rush
Brand pattern · 49 models
About 100% of this brand's tracked models are currently in stock.
Scarcity rank (catalog-wide)Top 90%
Last confirmed:
Tracked since 9/30/25 (397 days).
Available7/27/26
3 months straight
November 2025
Today
Unknown · for 98 days4/20/26
Available · for 26 days3/25/26
Unknown · for 2 days3/23/26
Available · for 12 hours3/23/26
Unknown · for 3 hours3/22/26
The latest observed price was $420.00 on 11/1/26.
$420.00 USD11/1/26
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