Side by side

Bremont Altitude Perpetual Calendar GMTvsFormex Essence ThirtyNine

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
Essence ThirtyNine
FormexEssence ThirtyNine
MSRP $2,390

At a glance

12 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
Essence ThirtyNine39mm
Power Reserve
Altitude Perpetual Calendar GMT40h
Essence ThirtyNine41h
Water Resistance
Altitude Perpetual Calendar GMT
Essence ThirtyNine100m
MSRP
Altitude Perpetual Calendar GMT$38,450
Essence ThirtyNine$2,390

Full specifications

Case

7 specs
Category
GMT
Dress
Diameter
42mm
39mm
Thickness
12.65mm
10mm
Lug-to-Lug
45mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
100m

Crystal & Dial

2 specs
Dial Color
Blue
Space Ghost
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Sellita SW200-1
Power Reserve
40h
41h

Pricing

1 specs
MSRP
$38,450
$2,390

Follow this matchup

Get a note when Bremont Altitude Perpetual Calendar GMT vs Formex Essence ThirtyNine 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.

Formex Essence ThirtyNine

The Formex Essence ThirtyNine is praised for its impressive build quality and value, featuring a patented case suspension system for comfort and protection. It houses a COSC-certified Sellita SW200-1 movement with a 38-hour power reserve and a tool-free strap quick-release system. A minor inconvenience noted is the specific closing order of the clasp. On balance, reviewers rate the Formex Essence ThirtyNine highly for its comfortable wearability and excellent value at its price point.

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.