Side by side

Oak & Oscar The Humboldt GMTvsOrient Bambino Open Heart

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
Bambino Open Heart
OrientBambino Open Heart
MSRP $315

At a glance

19 of 29 specs differ
Diameter
The Humboldt GMT39.5mm
Bambino Open Heart40.5mm
Power Reserve
The Humboldt GMT56 hoursh
Bambino Open Heart40h
Water Resistance
The Humboldt GMT200m
Bambino Open Heart30m
MSRP
The Humboldt GMT$2,175
Bambino Open Heart$315

Full specifications

Case

9 specs
Category
GMT
Diameter
39.5mm
40.5mm
Thickness
12.5mm
12mm
Lug-to-Lug
46.8mm
46mm
Lug Width
20mm
21mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed
Brushed and polished
Water Resistance
200m
30m
Caseback
Solid screw-down
Display

Crystal & Dial

5 specs
Crystal
Sapphire
Mineral
Crystal Shape
Double-domed
AR Coating
Underside
Indices
Applied
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
Sellita SW330
FT622
Beat Rate
4 vph
21,600 vph
Power Reserve
56 hoursh
40h
Jewels
25
22

Pricing

1 specs
MSRP
$2,175
$315

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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.

Orient Bambino Open Heart

Owners widely praise the Orient Bambino Open Heart for its dressy style, clean dial, and reliable in-house F6724 automatic movement with hacking and hand-winding. Reviewers and owners highlight its value proposition, with one owner noting it remains a regular wear even after acquiring pricier watches. Some owners find the build quality and stock strap less premium, with one noting the mineral crystal is prone to scratching and another that the movement can be noisy. The 21mm lug width is cited as making strap swapping slightly more complicated. Overall, owners and reviewers rate the Orient Bambino Open Heart highly for its dressy aesthetic and in-house movement at its price point.

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