Side by side

Bremont Altitude Perpetual Calendar GMTvsSpinnaker Bradner Pearl Diver

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
Bradner Pearl Diver
SpinnakerBradner Pearl Diver
MSRP $370

At a glance

8 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
Bradner Pearl Diver42mm
Power Reserve
Altitude Perpetual Calendar GMT40h
Bradner Pearl Diver40h
Water Resistance
Altitude Perpetual Calendar GMT
Bradner Pearl Diver180m
MSRP
Altitude Perpetual Calendar GMT$38,450
Bradner Pearl Diver$370

Full specifications

Case

5 specs
Category
GMT
Diver
Thickness
12.65mm
15mm
Lug-to-Lug
50mm
Material
Titanium
316L Stainless Steel
Water Resistance
180m

Crystal & Dial

1 specs
Dial Color
Blue
Emerald

Movement

1 specs
Caliber
SII NH35A

Pricing

1 specs
MSRP
$38,450
$370

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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.

Spinnaker Bradner Pearl Diver

The Spinnaker Bradner Pearl Diver is noted by owners as large on smaller wrists, with a 50mm lug-to-lug and 15mm height being a concern, though some find it acceptable with specific strap choices. Opinions on finishing quality vary, with one owner reporting issues like a poorly seated bezel and crooked indices. Overall, owners rate the Spinnaker Bradner Pearl Diver with mixed reviews regarding its size and finishing.

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