Side by side

Bremont Altitude Perpetual Calendar GMTvsSugess Seestern S446 GMT

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
Seestern S446 GMT
SugessSeestern S446 GMT
MSRP $269

At a glance

13 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
Seestern S446 GMT40mm
Power Reserve
Altitude Perpetual Calendar GMT40h
Seestern S446 GMT41h
Water Resistance
Altitude Perpetual Calendar GMT
Seestern S446 GMT100m
MSRP
Altitude Perpetual Calendar GMT$38,450
Seestern S446 GMT$269

Full specifications

Case

6 specs
Diameter
42mm
40mm
Thickness
12.65mm
10mm
Lug-to-Lug
47mm
Lug Width
22mm
19mm
Material
Titanium
Stainless Steel
Water Resistance
100m

Crystal & Dial

2 specs
Dial Color
Blue
Black
Lume
None
Tritium

Movement

4 specs
Caliber
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
40h
41h
Complications
None
GMT, Moonphase, Date

Pricing

1 specs
MSRP
$38,450
$269

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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.

Sugess Seestern S446 GMT

Owners widely praise the Sugess Seestern S446 GMT for its outstanding finishing and materials at its price point, with specific mentions of the cream or ivory dial, polished hands, and clear crystal offering superb legibility. Accuracy is generally good, with one owner reporting +2/3 seconds per day from the Seiko NH34A movement. Some owners find the lume is not a strong point, and the bracelet clasp could benefit from more micro-adjustment, with screw pins noted as cheap. The GMT hand is described as flat by some, and opinions are split on the "Sugess" versus "Seestern" logo. Overall, owners rate the Sugess Seestern S446 GMT highly for its beautiful dial and excellent build quality for the price.

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