Available $219 38mm

Riley Watch Co.
Lumis Day/Night Dial
Buy it directly from the brand's website.
A GMT watch, in a round stainless steel case, 36mm, with a black matte dial, sword hands and arabic numerals indices, powered by the Ronda 515.24.
It is currently available to buy directly from the brand. Within Timefactors's own catalog, this reference is priced 41% below the brand's median, making it one of the more accessible models in the lineup. Timefactors currently has 40 models under active tracking, this reference among them.
Diameter
36mm
Lug to lug
42.5mm
Between lugs
18mm
Thickness
11.6mm
Weight
131g
Movement Type
quartz
Movement Name
Ronda 515.24
Water resistance
10 bar
Crystal Type
sapphire
Crystal Description
Bombé sapphire with anti-reflective coating on underside
Its scarcity score of 0/100 is the lowest possible, placing it among the easiest-to-get tracked watches in the catalog. Its scarcity score has fallen about 13 points over the past 179 days. The high point in that window was a score near 13, reached in May 2026. That's in line with Timefactors's catalog overall.
This reference has no sell-out history of its own yet. How Timefactors models usually sell out and restock
Worth tracking
Limited data
Currently available with no strong urgency signal either way.
Scarcity rank (catalog-wide)Top 90%
Last confirmed:
2 availability changes recorded. Available once, for 67 days, on 9/16/25. Longest sold-out stretch: 14 days. Last restocked on 12/7/25.
Tracked since 9/16/25 (411 days).
Available12/7/25
11 months straight
November 2025
Today
Sold out · for 14 days11/23/25
Currently priced at $235.00, down from $314.89 on 10/12/26.
$235.00 USD10/12/26
$235.00
At its lowest recorded price
$314.89
$314.89 · up $79.898/31/26
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