Available$1,36340mm

Isotope Watches
Old Radium Polar Enamel


We're not sure about the status of this watch. Check the brand's website for details.
A Field watch, in a round stainless steel case, 39mm, with a white matte grained (sandblasted) dial, sword hands and arabic numerals indices, powered by the Seiko NH38.
The last time this reference's status was reliably confirmed, it was available, as of 2/28/26. Priced 30% below the median for comparable watches in its segment, this reference sits toward the lower end of that price band. This segment covers 44 tracked field watches in this size and price class, ranging from USD 1,033 to USD 2,000.
Diameter
39mm
Lug to lug
47mm
Between lugs
20mm
Thickness
12.8mm
Weight
74g
Movement Type
automatic
Movement Name
Seiko NH38
Power reserve
41 hours
Water resistance
10 bar
Crystal Type
sapphire
Crystal Description
double domed, AR-coated
With a scarcity score of 0/100, this reference ranks in roughly the bottom 10% among tracked field watches in its class. Its scarcity score has fallen about 6 points over the past 380 days. The high point in that window was a score near 71, reached in June 2026. That's in line with DuFrane's catalog overall.
On average, roughly 0% of DuFrane's tracked models are available at any given moment.
Worth tracking
Limited data
Not enough tracked history yet on this brand to read a pattern.
Last confirmed:
Tracked since 5/2/25 (504 days).
Unknown3/8/26
6 months straight
March 2026
Today
157 older transitions back to 5/2/25 are available with Collector. Unlock full history
Currently priced at $1,096.61, with 9 price changes recorded over the tracked period. The lowest recorded price was $1,053.34 on 4/27/26; the highest was $1,235.07 on 4/8/26. That's down from the $1,235.07 it was first tracked at.
$1,096.61 USD9/14/26
$1,053.34
Mid-range for the tracked period
$1,235.07
$1,086.72 · up $11.139/1/26
$1,075.59 · down $8.658/31/26
$1,084.24 · down $12.378/10/26
$1,096.61 · up $8.668/3/26
$1,087.95 · up $21.017/6/26
$1,066.946/22/26
4 older price changes back to 4/8/26 are available with Collector. Unlock full history
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