Side by side

Tudor Black Bay 58 18KvsLongines FLAGSHIP CLASSIC

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

Black Bay 58 18K
TudorBlack Bay 58 18K
MSRP $22,550
FLAGSHIP CLASSIC
LonginesFLAGSHIP CLASSIC
MSRP $2,700

At a glance

12 of 29 specs differ
Diameter
Black Bay 58 18K39mm
FLAGSHIP CLASSIC30mm
Power Reserve
Black Bay 58 18K70h
FLAGSHIP CLASSIC
Water Resistance
Black Bay 58 18K200m
FLAGSHIP CLASSIC30m
MSRP
Black Bay 58 18K$22,550
FLAGSHIP CLASSIC$2,700

Full specifications

Case

9 specs
Category
Diver
Diameter
39mm
30mm
Thickness
12.7mm
8.7mm
Lug-to-Lug
46mm
47mm
Lug Width
20mm
21mm
Material
18k Yellow Gold
Stainless Steel
Finish
Satin
Water Resistance
200m
30m
Caseback
Solid screw-down

Movement

2 specs
Caliber
MT5400
L888.5
Power Reserve
70h
0h

Pricing

1 specs
MSRP
$22,550
$2,700

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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 18K

Owners appreciate the substantial feel of the 18K gold Tudor Black Bay 58 on the wrist, with reviewers noting the brushed gold finishing and 39mm case size. The watch is powered by the COSC-certified Manufacture Caliber MT5400 with a 70-hour power reserve, visible through an open caseback. Sources offer differing price points, ranging from $16,800 to $32,100 depending on the strap or bracelet. Some reviewers criticize the brushed finish for diminishing the visual luxury of gold and find the green dial and bezel color combination divisive or lacking charisma. Overall, owners and reviewers find the Tudor Black Bay 58 18K to be an ambitious, albeit divisive, precious metal sports watch, with praise for its substantial feel and brushed gold finishing.

Longines FLAGSHIP CLASSIC

Owners widely praise the Longines FLAGSHIP CLASSIC for its quality execution, comfortable dimensions, and value, with many appreciating its classic styling and solid engineer bracelet. The 36mm and 38.5mm variants are considered ideal for a dress watch, offering understated elegance and impeccable finishing. One owner notes a smooth winding feel from the L629.2 movement, while another reports accuracy within +/- 5 seconds per day. However, the polished case is described as a smudge magnet, and the white Roman dial is not universally appealing. The 42-hour power reserve is flagged as a weaker characteristic by one reviewer. On balance, owners and reviewers rate the Longines FLAGSHIP CLASSIC highly for its neo-vintage design and build quality at its price point.

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