Side by side

Tudor Black Bay Chrono S&GvsZelos Spearfish 3

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

Black Bay Chrono S&G
TudorBlack Bay Chrono S&G
MSRP $8,525
Spearfish 3
ZelosSpearfish 3
MSRP $749

At a glance

20 of 29 specs differ
Diameter
Black Bay Chrono S&G41mm
Spearfish 340mm
Power Reserve
Black Bay Chrono S&G70h
Spearfish 340h
Water Resistance
Black Bay Chrono S&G200m
Spearfish 3200m
MSRP
Black Bay Chrono S&G$8,525
Spearfish 3$749

Full specifications

Case

8 specs
Category
Chronograph
Diver
Diameter
41mm
40mm
Thickness
14.4mm
11.5mm
Lug-to-Lug
46mm
40mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Polished + Satin
Brushed and polished
Caseback
Solid screw-down
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
Diver - Forged Carbon
Indices
Applied

Movement

7 specs
Caliber
MT5813
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
Complications
Chronograph
None

Pricing

1 specs
MSRP
$8,525
$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 Chrono S&G

The Tudor Black Bay Chrono S&G is widely praised for its bold, vintage-inspired two-tone design, solid modern build, and attractive price point. Owners and reviewers highlight its well-made bracelet, T-fit clasp, and compelling styling, with some noting its unique, muted gold tone that is less flashy than other gold watches. One owner reported excellent timing accuracy of +/- 1 second per day. The Tudor Black Bay Chrono S&G utilizes the MT5813 movement, a modified Breitling B01, offering a 70-hour power reserve. However, some find the 45-minute chronograph register less practical than a 60-minute counter, and the use of gold capping on the bracelet and bezel is a point of contention for some, with one user also noting faux bracelet rivets as a detractor. The watch's thickness and lug structure are also cited as potential drawbacks for wearability on smaller wrists.

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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