Side by side

Oak & Oscar The Humboldt GMT SAR EditionvsTudor Black Bay Bronze

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

The Humboldt GMT SAR Edition
Oak & OscarThe Humboldt GMT SAR Edition
MSRP $2,950
Black Bay Bronze
TudorBlack Bay Bronze
MSRP $5,425

At a glance

20 of 29 specs differ
Diameter
The Humboldt GMT SAR Edition39.5mm
Black Bay Bronze43mm
Power Reserve
The Humboldt GMT SAR Edition56 hoursh
Black Bay Bronze70h
Water Resistance
The Humboldt GMT SAR Edition200m
Black Bay Bronze200m
MSRP
The Humboldt GMT SAR Edition$2,950
Black Bay Bronze$5,425

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
39.5mm
43mm
Thickness
12.5mm
14.6mm
Lug-to-Lug
46.8mm
46mm
Lug Width
20mm
23mm
Material
Grade 5 Titanium
Bronze
Finish
Brushed and polished
Satin
Caseback
Solid screw-down
Engraved

Crystal & Dial

5 specs
Crystal Shape
Double-domed
AR Coating
Underside
Dial Color
Black
Grey
Indices
Applied
Lume
Super-LumiNova
None

Movement

6 specs
Caliber
Sellita SW330
MT5601
Beat Rate
4 vph
0 vph
Power Reserve
56 hoursh
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$2,950
$5,425

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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 SAR Edition

Oak & Oscar The Humboldt GMT SAR Edition is praised for its anti-magnetic properties, sandwich lume dial, and overall construction quality for its price point. It features a brushed Grade 5 titanium case, a navy blue sandwich dial with an orange minute track and seconds hand, and a Sellita SW330 movement with a 56-hour power reserve. Minor drawbacks noted include bracelet sizing adjustment and lume brightness. On balance, owners and reviewers rate Oak & Oscar The Humboldt GMT SAR Edition highly for its robust construction and unique dial design at its price point.

Tudor Black Bay Bronze

The Tudor Black Bay Bronze is widely praised for its unique, evolving aesthetic due to its bronze case that develops a pleasing patina over time, with owners finding this gradual aging process incrementally pleasurable and ideal for summer wear. Reviewers highlight its robust construction, in-house MT5601 movement with a 70-hour power reserve and excellent accuracy, with one source reporting it losing about one second every three days. The 43mm case size is noted as being larger than other Black Bay models, and while some find it surprisingly comfortable and well-proportioned with its Arabic numerals, others consider it too large and bold for daily wear under a suit cuff, with the bronze case deemed less smart than steel. The matte brown dial with an explorer-style layout and gilt snowflake hands are also frequently mentioned features. One owner specifically praised the bezel's feel as the best on the market, though another reviewer found the dial numerals and lume weak.

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