Sold out $6,398 39.5mm

Sartory Billard
SB10 JUMPING HOUR UNION JACK
Sold out
$5,065
Sold out for months, with no restock pattern on record.

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What you'll get
Chronoscoutnow
Sartory Billard SB10 JUMPING HOUR DISCO BALL is available again
A Luxury watch, in a round stainless steel case, 39.5mm, with a silver engine-turned waffle / guilloché texture with concentric brushing beneath the pattern dial, powered by the SB10.
This reference is currently out of stock, with no units available to buy. This reference sits near Sartory Billard's median price point, consistent with most of the brand's own lineup. This reference sits among Sartory Billard's 50 actively tracked models. April 2026 marks when this reference was released.
Diameter
39.5mm
Lug to lug
44mm
Between lugs
20mm
Thickness
11.5mm
Weight
69g
Movement Type
Automatic
Movement Name
SB10
Power reserve
42 hours
Water resistance
8 bar
Crystal Type
Sapphire
Crystal Description
Box-shaped, domed sapphire crystal
Its scarcity score of 79/100 puts it in roughly the top 10% of the tracked catalog overall. Over the past 105 days, this reference's scarcity score has risen by roughly 72 points. Its scarcity score sits about 79 points above Sartory Billard's typical scarcity.
Track for the next window
Limited data
No reliable restock cadence is established for this reference yet.
79
July 2026
Scarcity score · today
Scarcity scoreModeledBased on Time unavailable. Reference evidence · 203 days · 1 availability changes · high confidence79/1005
Scarcity rank (catalog-wide)Top 10%
Last buyableDerivedCalculated from recorded observations.~107 days ago
One availability change recorded. Available once, for 97 days, on 4/14/26. Longest sold-out stretch: 107 days.
Sold out
4 months straight
7/20/26
April 2026
Today
· for 97 days
4/14/26
Tracked since 4/14/26 (204 days).
Last confirmed:
The latest observed price was $5,065.35 on 11/4/26.
$5,065.35 USD
11/4/26
November 2026
Today
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