Side by side

Spinnaker Fleuss 40 AutomaticvsTudor Black Bay 54

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

Fleuss 40 Automatic
SpinnakerFleuss 40 Automatic
MSRP $450
Black Bay 54
TudorBlack Bay 54
MSRP $4,725

At a glance

18 of 29 specs differ
Diameter
Fleuss 40 Automatic40mm
Black Bay 5437mm
Power Reserve
Fleuss 40 Automatic40h
Black Bay 5470h
Water Resistance
Fleuss 40 Automatic150m
Black Bay 54200m
MSRP
Fleuss 40 Automatic$450
Black Bay 54$4,725

Full specifications

Case

7 specs
Diameter
40mm
37mm
Thickness
11mm
11.2mm
Lug-to-Lug
47mm
46mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
150m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Coral
Blue
Lume
None
Super-LumiNova

Movement

6 specs
Caliber
SII NH35A
MT5400
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$450
$4,725

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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.

Spinnaker Fleuss 40 Automatic

Owners find the Spinnaker Fleuss 40 Automatic a good size for smaller wrists, though one owner notes the lume is too diffuse for easy nighttime reading. The pilot-style crown is an unusual feature for a dive watch. Overall, owners value the Spinnaker Fleuss 40 Automatic for its wearability on smaller wrists.

From video reviewers

The coral red dial is a unique aesthetic. The watch is a strong contender for best-in-class under $300.

Tudor Black Bay 54

The Tudor Black Bay 54 is widely praised for its compact 37mm size and thin 11.2mm case, offering surprising wrist presence and comfortable wearability with a vintage aesthetic. Reviewers highlight its robust 200-meter water resistance, clean design, and modern features without compromise, powered by Tudor's MT5400 movement with a 70-hour power reserve. One reviewer noted a preference for true vintage or more modern Tudor offerings over time. On balance, reviewers rate the Tudor Black Bay 54 highly for its faithful vintage design and comfortable, modern dive watch experience.

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