Side by side

Bremont Altitude Perpetual Calendar GMTvsTudor Black Bay 58

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

Altitude Perpetual Calendar GMT
BremontAltitude Perpetual Calendar GMT
MSRP $38,450
Black Bay 58
TudorBlack Bay 58
MSRP $5,350

At a glance

19 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
Black Bay 5839mm
Power Reserve
Altitude Perpetual Calendar GMT40h
Black Bay 5865h
Water Resistance
Altitude Perpetual Calendar GMT
Black Bay 58200m
MSRP
Altitude Perpetual Calendar GMT$38,450
Black Bay 58$5,350

Full specifications

Case

9 specs
Category
GMT
Diver
Diameter
42mm
39mm
Thickness
12.65mm
11.7mm
Lug-to-Lug
46mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Blue
Black

Movement

6 specs
Caliber
MT5400-U
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
65h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$38,450
$5,350

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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.

Bremont Altitude Perpetual Calendar GMT

The Bremont Altitude Perpetual Calendar GMT is a highly exclusive piece, with one owner noting its $44,000 price point raises questions about its target audience and suggesting it may be a limited production showpiece. Reviewers highlight its refined Trip-Tick case, now featuring softer curves, a 42mm diameter, and a 12.23mm thickness in grade 2 titanium, though the oversized crowns are flagged as a potential drawback. Overall, owners and reviewers acknowledge the Bremont Altitude Perpetual Calendar GMT as a distinctive, albeit niche, high-complication offering with a notable case refinement.

Tudor Black Bay 58

The Tudor Black Bay 58 is widely praised for its superb wearing experience, perfect proportions, and comfortable wearability, with owners anticipating it becoming a Tudor classic. Reviewers highlight its substantial, rugged build quality and significant value, rivaling more expensive timepieces. One owner notes the clasp's sharp shield as a minor annoyance.

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