Side by side

Tudor Black Bay 58 GMTvsLongines HYDROCONQUEST

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

Black Bay 58 GMT
TudorBlack Bay 58 GMT
MSRP $5,525
HYDROCONQUEST
LonginesHYDROCONQUEST
MSRP $2,000

At a glance

15 of 29 specs differ
Diameter
Black Bay 58 GMT39mm
HYDROCONQUEST41mm
Power Reserve
Black Bay 58 GMT65h
HYDROCONQUEST72h
Water Resistance
Black Bay 58 GMT200m
HYDROCONQUEST300m
MSRP
Black Bay 58 GMT$5,525
HYDROCONQUEST$2,000

Full specifications

Case

9 specs
Category
GMT
Diver
Diameter
39mm
41mm
Thickness
12.8mm
11.9mm
Lug-to-Lug
53.5mm
Lug Width
12.8mm
21mm
Material
Stainless Steel
Ceramic
Finish
Polished + Satin
Water Resistance
200m
300m
Caseback
Solid screw-down

Crystal & Dial

2 specs
Dial Color
Black
Green
Indices
Applied

Movement

3 specs
Caliber
MT5450-U
L888.5
Power Reserve
65h
72h
Complications
GMT
None

Pricing

1 specs
MSRP
$5,525
$2,000

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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.

Tudor Black Bay 58 GMT

The Tudor Black Bay 58 GMT is widely praised for its functional, proportional, and ergonomic design, wearing identically to the standard Black Bay 58 and feeling substantial without being oversized. Owners are very happy with the 39mm case proportions, noting an improved 12.8mm height. The gilt dial aesthetics and gilt-effect accents are a point of praise for some, while others find them divisive. The Tudor Black Bay 58 GMT features the METAS-certified MT5450-U movement, which is anti-magnetic to 15,000 Gauss and offers a 65-hour power reserve. On balance, owners and reviewers rate the Tudor Black Bay 58 GMT highly for its improved case proportions and gilt dial aesthetics.

From video reviewers

The comfortable 39mm case size is a significant strength. The value at its price point is also a shared positive. Reviewers did not reach a consensus on any weaknesses.

Longines HYDROCONQUEST

Owners widely praise the Longines Hydroconquest for its attractive sunburst blue dial and accurate timekeeping, with one owner reporting a loss of only 2 seconds per day. However, the bracelet is frequently criticized for lacking micro-adjustments and having pinch-prone links, and the screw-down crown is noted as inconvenient and difficult to operate by multiple owners. Some owners also flag the bezel action as ratchety with back play, and one owner found the lugs sharp and the overall design uncomfortable, leading them to sell the watch. On balance, owners appreciate the Longines Hydroconquest's aesthetic appeal and value, despite significant reservations about its bracelet and crown usability.

From video reviewers

The bezel action is praised for its smooth and precise rotation. Lume brightness is a shared weakness, found to be somewhat lacking. Reviewers disagreed on the watch's value proposition compared to alternatives.

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