Side by side

Bremont Altitude Perpetual Calendar GMTvsLongines LONGINES AVIGATION BIGEYE

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
LONGINES AVIGATION BIGEYE
LonginesLONGINES AVIGATION BIGEYE
MSRP $4,400

At a glance

9 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
LONGINES AVIGATION BIGEYE41mm
Power Reserve
Altitude Perpetual Calendar GMT40h
LONGINES AVIGATION BIGEYE40h
Water Resistance
Altitude Perpetual Calendar GMT
LONGINES AVIGATION BIGEYE30m
MSRP
Altitude Perpetual Calendar GMT$38,450
LONGINES AVIGATION BIGEYE$4,400

Full specifications

Case

7 specs
Category
GMT
Chronograph
Diameter
42mm
41mm
Thickness
12.65mm
14.5mm
Lug-to-Lug
48.7mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
30m

Movement

1 specs
Caliber
L688.5

Pricing

1 specs
MSRP
$38,450
$4,400

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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.

LONGINES AVIGATION BIGEYE

Owners and reviewers widely praise the Longines Avigation Bigeye for its unique, asymmetric dial, vintage military aesthetic, and cohesive design, with one reviewer noting its GPHG Best Revival prize win. The tactile chronograph pusher action and reliable L688.2 column wheel movement are highlighted, as is the watch's legibility and versatile strap-swapping potential due to its 20mm lug width. However, criticisms include the 30-minute sub-dial's three-minute hash marks, which some find compromise reading speed, and the lack of drilled lugs. The watch's thickness, around 14.45mm, is noted as typical for its movement, and some owners mention minor QC issues with chronograph hand alignment and a loud rotor. On balance, owners and reviewers rate the Longines Avigation Bigeye highly for its distinctive vintage-inspired design and solid chronograph performance at its price point.

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