Side by side

Tudor Black Bay 58 BronzevsZelos Spearfish 3

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

Black Bay 58 Bronze
TudorBlack Bay 58 Bronze
MSRP $5,850
Spearfish 3
ZelosSpearfish 3
MSRP $749

At a glance

16 of 29 specs differ
Diameter
Black Bay 58 Bronze39mm
Spearfish 340mm
Power Reserve
Black Bay 58 Bronze70h
Spearfish 340h
Water Resistance
Black Bay 58 Bronze200m
Spearfish 3200m
MSRP
Black Bay 58 Bronze$5,850
Spearfish 3$749

Full specifications

Case

6 specs
Diameter
39mm
40mm
Thickness
11.9mm
11.5mm
Lug-to-Lug
46mm
40mm
Material
Bronze
316L Stainless Steel
Finish
Brushed + Satin
Brushed and polished
Caseback
Engraved
Solid

Crystal & Dial

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

Movement

6 specs
Caliber
MT5400
La Joux-Perret G100
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
$5,850
$749

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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 Bronze

The Tudor Black Bay 58 Bronze is widely praised for its unique, evolving aesthetic driven by its developing bronze patina, which owners describe as an incremental pleasure and a conversation starter. Reviewers highlight its warm, vintage feel, achieved through the aging bronze case, root-beer brown bezel, and rose gold-toned dive scale, complemented by applied Arabic numerals on a 39mm case. The MT5400 movement is noted for its 70-hour power reserve and COSC-certified accuracy, with one owner reporting a net loss of about one second every three days. The bezel action is described as firm and reassuring, tighter than steel Black Bay models. Owners report the watch wears well dressed up or down, and its finishing is favorably compared to higher-end brands. However, some owners note the soft bronze case scratches easily and can cause blueing on the wrist in hot weather.

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.

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