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3 Variants
Lume:Super-LumiNova
Retail MSRP
$2,175
Low
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Avg
—
High
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Static data
Case
39.5mm
Power Reserve
—
Movement
Automatic
Water Resistance
200m
01
Case Dimensions
Diameter39.5mm
Thickness12.5mm
Lug-to-Lug46.8mm
Lug Width20mm
02
Case Build
Material316L Stainless Steel
FinishBrushed
Water Resistance200m
CasebackSolid screw-down
03
Crystal & Dial
CrystalSapphire
ShapeDouble-domed
AR CoatingUnderside
Dial ColorWhite
IndicesApplied
LumeSuper-LumiNova
04
Movement
Caliber
TypeAutomatic
Beat Rate4 vph (0.0Hz)
Power Reserve—
Jewels25
HackingNo
Hand-WindingNo
ComplicationsGMT
05
Design Language
Dial styleMatte
Bezel24-hour (GMT)
Bracelet / strapLug-attached bracelet
HandsBaton
AI-detected from product image · 5/22/2026
In a nutshell
The Oak & Oscar The Humboldt GMT (ref. HMBDLTGMT) is an automatic gmt watch, with a 39.5mm 316l stainless steel case, 12.5mm thick, powered by the Sellita SW330 movement and a 56 hours-hour power reserve. Water resistance is rated to 200m, under a sapphire crystal, with gmt complications. Manufacturer MSRP is $2,175.