Available$2,37342mm

Formex
Reef GMT
AUTOMATIC GMT COSC 300M BLACK/RED
No restock pattern is established yet. Track to get alerted if it returns.
A GMT watch, in a round stainless steel case, 40mm, with a black matte dial, broad arrow hands and applied metal indices, powered by the Miyota 9075.
Right now, this reference is sold out and cannot be bought. Within its segment, this reference is priced near the middle of the pack, close to what comparable watches typically cost. This segment covers 53 tracked GMT watches in this size and price class, ranging from $750 to $999.
Diameter
40mm
Lug to lug
46.2mm
Between lugs
20mm
Thickness
12mm
Weight
146g
Movement Type
automatic
Movement Name
Miyota 9075
Power reserve
42 hours
Water resistance
20 bar
Crystal Type
sapphire
Crystal Description
Flat sapphire crystal with inner AR coating
Out of stock at the moment. Restocks aren't frequent. Scarcity score: 46/100. Across the tracked catalog, that score lands it in roughly the top 10%. Its scarcity score has climbed about 38 points over the past 153 days. The high point in that window was a score near 63, reached in August 2026. That's in line with Wise's catalog overall.
It typically sells out at a pace consistent with this brand's norm. The restock rhythm here matches what's typical across this brand's other models.
Worth tracking
Measured · 2 restocks
Historically restocks roughly every 66 days.
46
April 2026
Scarcity score · today
Demand unlocks as Chronoscout gathers more market data on this reference.
Last confirmed:
5 availability changes recorded. In-stock windows ranged from 7 hours to 90 days. Longest sold-out stretch: 40 days. Last restocked on 8/24/26.
Tracked since 4/14/26 (156 days).
Sold out8/24/26
23 days straight
April 2026
Today
Available · for 7 hours8/24/26
Sold out · for 1 day8/23/26
Available · for 7 hours8/22/26
Sold out · for 40 days7/13/26
Available · for 90 days4/14/26
Currently priced at $960.00, up from $930.00 on 7/27/26.
$960.00 USD9/13/26
$930.00
At its highest recorded price
$960.00
1 older price change back to 4/26/26 is available with Collector. Unlock full history
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