Side by side

Citizen Promaster Air GMTvsOak & Oscar The Humboldt GMT

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

Promaster Air GMT
CitizenPromaster Air GMT
MSRP $1,195
The Humboldt GMT
Oak & OscarThe Humboldt GMT
MSRP $2,175

At a glance

15 of 29 specs differ
Diameter
Promaster Air GMT44.5mm
The Humboldt GMT39.5mm
Power Reserve
Promaster Air GMT50h
The Humboldt GMT56 hoursh
Water Resistance
Promaster Air GMT200m
The Humboldt GMT200m
MSRP
Promaster Air GMT$1,195
The Humboldt GMT$2,175

Full specifications

Case

8 specs
Category
Pilot
GMT
Diameter
44.5mm
39.5mm
Thickness
12mm
12.5mm
Lug-to-Lug
46mm
46.8mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Brushed
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
Crystal Shape
Flat
Double-domed
Dial Color
Navy
White
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
9054
Sellita SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
50h
56 hoursh

Pricing

1 specs
MSRP
$1,195
$2,175

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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.

Citizen Promaster Air GMT

The Citizen Promaster Air GMT is widely praised for its impressive in-house Cal. 9054 automatic GMT movement, excellent case fit and finish, and a high-quality bracelet for its price point. Reviewers highlight its striking anti-reflective domed sapphire crystal, legible dial with large numerals, and long-lasting lume. However, its 44.5mm dimensions are considered unfashionably large, and the case design is described as uninspired. The independent hour jumping is noted as mushy and unable to be set backward, while the unframed 3 o'clock date window and minute track on the rehaut being obscured by case shadows are also flagged as drawbacks. The watch is priced at $1,125 USD and features 200m water resistance and a 50-hour power reserve. On balance, reviewers commend the Citizen Promaster Air GMT for its strong movement and legibility at an affordable price, despite reservations about its case size and some functional aspects of the GMT hand.

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.

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