$700 45.5mm

Reactor
EINSTEIN (BATTLEWORN)
Buy it directly from the brand's website.
A Chronograph watch, in a tonneau stainless steel case, 44mm, with a black hobnail guilloché (radiating textured pattern) dial, dauphine hands and roman numerals indices, powered by the Ronda 5030D.
Right now, this reference can be bought directly from the brand. Compared with similar watches in its segment, the price here lands right around the median, showing no real premium or discount. Among the 24 tracked chronograph watches in this size and price class, prices span from USD 500 to USD 700.
Diameter
44mm
Between lugs
22mm
Thickness
12mm
Movement Type
quartz
Movement Name
Ronda 5030D
Water resistance
5 bar
Crystal Type
sapphire
Crystal Description
High scratch resistance
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 11 points. Scarcity peaked around 11 back in May 2026. This is broadly consistent with Col & McArthur's typical scarcity level.
This reference has no sell-out history of its own yet. How Col & McArthur models usually sell out and restock
No rush
Brand pattern · 55 models
About 100% of this brand's tracked models are currently in stock.
Scarcity rank (in its segment)Top 90%
Price vs segment4% below segment median
Last confirmed:
Tracked since 3/20/26 (225 days).
Available3/20/26
7 months straight
March 2026
Today
Currently priced at $649.00, up from $636.33 on 9/13/26.
$649.00 USD9/13/26
$636.33
At its highest recorded price
$649.00
$636.33 · down $12.678/12/26
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