Side by side

Bremont Altitude Perpetual Calendar GMTvsSternglas Naos Automatik

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
Naos Automatik
SternglasNaos Automatik
MSRP $463

At a glance

12 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
Naos Automatik38mm
Power Reserve
Altitude Perpetual Calendar GMT40h
Naos Automatik42h
Water Resistance
Altitude Perpetual Calendar GMT
Naos Automatik50m
MSRP
Altitude Perpetual Calendar GMT$38,450
Naos Automatik$463

Full specifications

Case

7 specs
Category
GMT
Dress
Diameter
42mm
38mm
Thickness
12.65mm
12mm
Lug-to-Lug
43mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
50m

Crystal & Dial

1 specs
Dial Color
Blue

Movement

3 specs
Caliber
Miyota 8215
Power Reserve
40h
42h
Jewels
25

Pricing

1 specs
MSRP
$38,450
$463

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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.

Sternglas Naos Automatik

The Sternglas Naos Automatik is praised for its stylish Bauhaus design and solid build quality for its price, featuring a sapphire crystal and elegant case. However, some dial text is too small and slim for easy readability, and the Milanese strap and clasp are considered lower quality, with the quick-change system also not meeting the brand's advertised standard. One owner found the 38mm model lighter than expected and preferred it over a Seiko SRP703 and an Apple Watch. Overall, owners and reviewers highlight the Sternglas Naos Automatik's attractive Bauhaus design and good value, despite some criticisms of dial legibility and strap quality.

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