Side by side

Tudor Black Bay 54vsLongines LONGINES SECTOR DIAL

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

Black Bay 54
TudorBlack Bay 54
MSRP $4,725
LONGINES SECTOR DIAL
LonginesLONGINES SECTOR DIAL
MSRP $2,750

At a glance

19 of 29 specs differ
Diameter
Black Bay 5437mm
LONGINES SECTOR DIAL38.5mm
Power Reserve
Black Bay 5470h
LONGINES SECTOR DIAL40h
Water Resistance
Black Bay 54200m
LONGINES SECTOR DIAL30m
MSRP
Black Bay 54$4,725
LONGINES SECTOR DIAL$2,750

Full specifications

Case

8 specs
Category
Diver
Diameter
37mm
38.5mm
Thickness
11.2mm
11mm
Lug-to-Lug
46mm
47.6mm
Lug Width
20mm
19mm
Finish
Polished + Satin
Brushed and polished
Water Resistance
200m
30m
Caseback
Solid screw-down
Solid

Crystal & Dial

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

Movement

6 specs
Caliber
MT5400
L893.5
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
$4,725
$2,750

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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 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.

LONGINES SECTOR DIAL

The Longines Sector Dial wins broad praise for its faithful 1934-inspired sector dial design and exceptional readability, paired with a well-proportioned 38.5mm case that appeals to fans of vintage proportions. Owners consistently highlight the dial's visual presence in sunlight and strong value relative to Longines' current positioning, while reviewers commend the modern L893 movement with silicon hairspring and clean finishing. The 47mm lug-to-lug length and 19mm lug width draw mixed reactions — some find the lugs elongated for the case size, and one owner views the strap width as undersizing the case proportionally; others note the small seconds subdial bisects the 6, and the polished caseback invites scratches. The 30-meter water resistance is flagged as modest for daily wear.

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