Side by side

Oak & Oscar The Humboldt GMTvsZelos Aurora Moonphase

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

The Humboldt GMT
Oak & OscarThe Humboldt GMT
MSRP $2,175
Aurora Moonphase
ZelosAurora Moonphase
MSRP $949

At a glance

14 of 29 specs differ
Diameter
The Humboldt GMT39.5mm
Aurora Moonphase39mm
Power Reserve
The Humboldt GMT56 hoursh
Aurora Moonphase40h
Water Resistance
The Humboldt GMT200m
Aurora Moonphase200m
MSRP
The Humboldt GMT$2,175
Aurora Moonphase$949

Full specifications

Case

6 specs
Category
GMT
Moonphase
Diameter
39.5mm
39mm
Lug-to-Lug
46.8mm
39mm
Material
316L Stainless Steel
Titanium
Finish
Brushed
Brushed and polished
Caseback
Solid screw-down
Solid

Crystal & Dial

4 specs
Crystal Shape
Double-domed
Flat
AR Coating
Underside
Inner
Dial Color
White
Meteorite
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW330
Sellita SW288
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h

Pricing

1 specs
MSRP
$2,175
$949

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Oak & Oscar The Humboldt GMT

Oak & Oscar The Humboldt GMT owners widely praise its exceptional accuracy, often running at or near 0 seconds per day, and its comfortable wearability with subtle design details. The construction quality for the price point, sandwich lume, and anti-magnetic properties are also highlighted. Some owners find the bracelet sizing adjustment slightly awkward, and one noted the lume could be brighter. Overall, owners rate the Oak & Oscar The Humboldt GMT highly for its accuracy and comfortable wearability.

Zelos Aurora Moonphase

Owners widely praise Zelos for offering excellent value, solid build quality, and enthusiast-friendly designs, with unique dial variants often selling out quickly. The Zelos Aurora Moonphase is noted as a desirable model, though finding one can be challenging. Some owners find Zelos's designs, including those of the Aurora line, to be too flashy for everyday wear, preferring a more subdued aesthetic. One owner reported their Zelos Aurora Nebula 38mm running at -5.3 seconds per day. Overall, owners rate the Zelos Aurora Moonphase highly for its desirable microbrand status and unique dial appeal.

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