Side by side

Bremont Altitude Perpetual Calendar GMTvsLorier Neptune SIV

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
Neptune SIV
LorierNeptune SIV
MSRP $599

At a glance

8 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
Neptune SIV39mm
Power Reserve
Altitude Perpetual Calendar GMT40h
Neptune SIV40h
Water Resistance
Altitude Perpetual Calendar GMT
Neptune SIV200m
MSRP
Altitude Perpetual Calendar GMT$38,450
Neptune SIV$599

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
42mm
39mm
Thickness
12.65mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
200m

Crystal & Dial

1 specs
Dial Color
Blue
Standard

Pricing

1 specs
MSRP
$38,450
$599

Follow this matchup

Get a note when Bremont Altitude Perpetual Calendar GMT vs Lorier Neptune SIV gets more votes, a community discussion, or a price drop. No account needed.

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 Neptune SIV

Owners widely praise the Lorier Neptune SIV for its versatile, vintage-inspired design featuring a glossy gilt-style dial and a comfortable, tapered bracelet, noting its affordability reduces wear anxiety. Reviewers and owners alike mention the acrylic crystal as a point of contention, with some preferring sapphire, and one owner finds the bracelet lacks the feel of more expensive options. On balance, owners and reviewers rate the Lorier Neptune SIV highly for its appealing vintage aesthetic and value proposition.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.