Side by side

Tudor Black Bay 58 18KvsZelos Comet 39

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
Comet 39
ZelosComet 39
MSRP $2,499

At a glance

20 of 29 specs differ
Diameter
Black Bay 58 18K39mm
Comet 3939mm
Power Reserve
Black Bay 58 18K70h
Comet 3940h
Water Resistance
Black Bay 58 18K200m
Comet 3950m
MSRP
Black Bay 58 18K$22,550
Comet 39$2,499

Full specifications

Case

7 specs
Category
Diver
Dress
Thickness
12.7mm
7.6mm
Lug-to-Lug
46mm
39mm
Material
18k Yellow Gold
316L Stainless Steel
Finish
Satin
Brushed and polished
Water Resistance
200m
50m
Caseback
Solid screw-down
Solid

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Green
Tantalum LE
Indices
Applied

Movement

7 specs
Caliber
MT5400
ETA/Peseux 7001
Type
Automatic
Manual
Beat Rate
0 vph
28,800 vph
Power Reserve
70h
40h
Jewels
0
25
Hacking
No
Yes
Hand-winding
No
Yes

Pricing

1 specs
MSRP
$22,550
$2,499

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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.

Zelos Comet 39

Owners widely praise the Zelos Comet 39 for its wearable 39mm size, thin profile under 10mm thanks to its manual-wind Sellita SW215 movement, and its captivating dial with a deep starburst effect. The winding action is described as a joy, and the watch is considered a stunner for its price, blending modern and vintage aesthetics. Some owners note frustration with Zelos's limited production runs leading to quick sell-outs. One owner found the logo childlike, while another experienced strap-rubbing issues with the short lugs, which were resolved with a Milanese bracelet. Overall, owners and reviewers rate the Zelos Comet 39 highly for its excellent value and striking dial design.

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