Side by side

Bremont Altitude Perpetual Calendar GMTvsLorier Hyperion SII

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
Hyperion SII
LorierHyperion SII
MSRP $699

At a glance

6 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
Hyperion SII39mm
Power Reserve
Altitude Perpetual Calendar GMT40h
Hyperion SII40h
Water Resistance
Altitude Perpetual Calendar GMT
Hyperion SII200m
MSRP
Altitude Perpetual Calendar GMT$38,450
Hyperion SII$699

Full specifications

Case

5 specs
Diameter
42mm
39mm
Thickness
12.65mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
200m

Pricing

1 specs
MSRP
$38,450
$699

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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.

Lorier Hyperion SII

Owners widely praise the Lorier Hyperion SII for its vintage aesthetic, glossy black dial, and tasteful text. One owner notes the Miyota 9075 movement and calls it the best GMT under $800. Criticisms include a small GMT hand that is difficult to spot, and one user found the winding action not smooth with significant crown resistance. Overall, owners rate the Lorier Hyperion SII highly for its vintage aesthetic and value.

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