Available $749 42mm

Octanis Watches
Octanis Sigma GMT 42
Founders Edition - Astronomical Twilight
Buy it directly from the brand's website.
A GMT watch, in a round stainless steel case, 42mm, with a white matte dial, sword hands and arabic numerals indices, powered by the Miyota 9075.
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 23 tracked GMT watches in this size and price class, prices span from USD 531 to USD 749.
Diameter
42mm
Lug to lug
49mm
Between lugs
20mm
Thickness
11.3mm
Weight
83g
Movement Type
automatic
Movement Name
Miyota 9075
Power reserve
42 hours
Water resistance
10 bar
Crystal Type
sapphire
Crystal Description
Double-domed sapphire crystal with internal anti-reflective coating
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 21 points. Scarcity peaked around 21 back in May 2026.
Worth tracking
Limited data
Currently available with no strong urgency signal either way.
Scarcity rank (in its segment)Top 90%
Price vs segment5% below segment median
Last confirmed:
Tracked since 9/17/25 (409 days).
Available7/4/26
4 months straight
November 2025
Today
Unknown · for 4 hours7/3/26
Currently priced at $659.00, with 14 price changes recorded over the tracked period. The lowest recorded price was $461.38 on 11/28/25; the highest was $725.03 on 11/9/25. That's down from the $725.03 it was first tracked at.
$659.00 USD10/29/26
$461.38
Mid-range for the tracked period
$725.03
$664.00 · down $24.0010/2/26
$688.00 · up $16.459/1/26
$671.55 · down $10.458/17/26
$682.00 · down $10.008/10/26
$692.00 · up $14.004/8/26
$678.00 · up $73.633/30/26
$604.37 · down $20.112/11/26
$624.48 · up $59.211/7/26
$565.27 · down $64.8012/15/25
$630.07 · up $126.2412/13/25
$503.83 · up $42.4512/9/25
$461.38 · down $40.2211/28/25
$501.60 · down $125.1211/26/25
$626.72 · down $98.3111/15/25
$725.0311/9/25
Similar watches you might like too.
Don't find out too late
Our weekly digest newsletter covers every new release from 360+ brands.
490+ subscribers · unsubscribe anytime
© 2026 chronoscout.co
all rights reserved
VAT EU372094125
VAT GB 515 677 276
built by Katalyze. in Switzerland
🍪 Cookies
We use cookies to analyze site usage and improve your experience, in accordance with our Cookie Policy .
Would you like to enable cookies for analytics?