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Lugworthy
39.5 mm · 46.8 mm lug-to-lug
Photos appear once Oak & Oscar approves image use

Oak & Oscar

The Humboldt GMT 2026 Chicago Edition

DiverGMTLimited edition

Lugs stay on wrists from about 6.25 in (lug-to-lug rule of thumb)

$2,350Sold out

SKU HUMGMT26BLK

Specifications

Specs below were imported from Oak & Oscar’s store on Oct 24, 2026 and haven’t been confirmed yet. Hover a value to see where it came from.

Case

Diameter
39.5 mm
Lug-to-lug
46.8 mm
Thickness
12.5 mm
Thickness incl. crystal
Not listed
Lug width
20 mm
Material
316L steel

Movement

Type
Automatic
Caliber
Sellita SW330-2
Power reserve
56 h
Functions
Date, GMT

Crystal and bezel

Crystal
Sapphire
Bezel
24-hour, 120 click bi-directional black pvd bezel with ceramic ball bearings

Water resistance

Rated to
200 m

Dial and lume

Dial
Not listed
Lume
Super-LumiNova BGW9

Strap

Strap
Not listed

Videos

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Oak & Oscar The Humboldt GMT 2026 Chicago Edition · Lugworthy