Available $270 45mm

Reactor
Proton World Time Chrono
Buy it directly from the brand's website.
A World Timer watch, in a round stainless steel case, 45mm, with a blue sunburst dial, broad arrow hands and applied metal indices.
Right now, this reference can be bought directly from the brand. This reference sits near Reactor's median price point, consistent with most of the brand's own lineup. This reference sits among Reactor's 49 actively tracked models.
Diameter
45mm
Between lugs
35.3mm
Thickness
14.5mm
Weight
210g
Movement Type
quartz
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. Over the past 179 days, this reference's scarcity score has dropped by roughly 64 points. Scarcity peaked around 78 back in June 2026. This is broadly consistent with Reactor's typical scarcity level.
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 (396 days).
Available7/27/26
3 months straight
November 2025
Today
Unknown · for 98 days4/20/26
Available · for 26 days3/25/26
Unknown · for 3 days3/22/26
The latest observed price was $367.50 on 11/1/26.
$367.50 USD11/1/26
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