Side by side

Tudor Black Bay 58 GMTvsZelos Spearfish 3

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
Spearfish 3
ZelosSpearfish 3
MSRP $749

At a glance

19 of 29 specs differ
Diameter
Black Bay 58 GMT39mm
Spearfish 340mm
Power Reserve
Black Bay 58 GMT65h
Spearfish 340h
Water Resistance
Black Bay 58 GMT200m
Spearfish 3200m
MSRP
Black Bay 58 GMT$5,525
Spearfish 3$749

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
39mm
40mm
Thickness
12.8mm
11.5mm
Lug-to-Lug
40mm
Lug Width
12.8mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Polished + Satin
Brushed and polished
Caseback
Solid screw-down
Solid

Crystal & Dial

3 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
Diver - Forged Carbon

Movement

7 specs
Caliber
MT5450-U
La Joux-Perret G100
Beat Rate
0 vph
28,800 vph
Power Reserve
65h
40h
Jewels
0
25
Hacking
No
Yes
Hand-winding
No
Yes
Complications
GMT
None

Pricing

1 specs
MSRP
$5,525
$749

Follow this matchup

Get a note when Tudor Black Bay 58 GMT vs Zelos Spearfish 3 gets more votes, a community discussion, or a price drop. No account needed.

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.

Zelos Spearfish 3

The Zelos Spearfish 3 is widely praised for its exceptional finishing, with razor-sharp polish and flawless brushed transitions that owners feel exceed its price point. The 40mm case is noted for its wearability, and the La Joux-Perret G100 movement offers a 68-hour power reserve, with reported accuracy averaging +2.6 seconds per day. Reviewers highlight the exceptionally smooth bi-directional bezel and a tool-less micro-adjustment clasp described as best-in-class among microbrands. The sapphire sandwich construction and lumed bezel are also cited as desirable features. Overall, owners and reviewers rate the Zelos Spearfish 3 highly for its outstanding finishing and value at its price point.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.