Side by side

Bremont Altitude Perpetual Calendar GMTvsZelos Spearfish 3

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
Spearfish 3
ZelosSpearfish 3
MSRP $749

At a glance

10 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
Spearfish 340mm
Power Reserve
Altitude Perpetual Calendar GMT40h
Spearfish 340h
Water Resistance
Altitude Perpetual Calendar GMT
Spearfish 3200m
MSRP
Altitude Perpetual Calendar GMT$38,450
Spearfish 3$749

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
42mm
40mm
Thickness
12.65mm
11.5mm
Lug-to-Lug
40mm
Lug Width
22mm
20mm
Material
Titanium
316L Stainless Steel
Water Resistance
200m

Crystal & Dial

1 specs
Dial Color
Blue
Diver - Forged Carbon

Movement

1 specs
Caliber
La Joux-Perret G100

Pricing

1 specs
MSRP
$38,450
$749

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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.

Zelos Spearfish 3

The Zelos Spearfish 3 is widely praised for its exceptional finishing, with razor-sharp polish and flawless brushed transitions that owners feel exceed its price point. The 40mm case is noted for its wearability, and the La Joux-Perret G100 movement offers a 68-hour power reserve, with reported accuracy averaging +2.6 seconds per day. Reviewers highlight the exceptionally smooth bi-directional bezel and a tool-less micro-adjustment clasp described as best-in-class among microbrands. The sapphire sandwich construction and lumed bezel are also cited as desirable features. Overall, owners and reviewers rate the Zelos Spearfish 3 highly for its outstanding finishing and value at its price point.

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