Side by side

Bremont Altitude Perpetual Calendar GMTvsGrand Seiko SBGE285

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
SBGE285
Grand SeikoSBGE285
MSRP $8,900

At a glance

10 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
SBGE28541mm
Power Reserve
Altitude Perpetual Calendar GMT40h
SBGE28572h
Water Resistance
Altitude Perpetual Calendar GMT
SBGE285100m
MSRP
Altitude Perpetual Calendar GMT$38,450
SBGE285$8,900

Full specifications

Case

4 specs
Diameter
42mm
41mm
Thickness
12.65mm
13.9mm
Lug-to-Lug
48.3mm
Water Resistance
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Blue
Black

Movement

3 specs
Caliber
9R66
Type
Automatic
Spring Drive
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$38,450
$8,900

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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.

Grand Seiko SBGE285

The Grand Seiko SBGE285 is widely praised for its textured dial, high-intensity titanium case with Zaratsu polishing, and Evolution 9 design, which reviewers consider epitomizes modern Grand Seiko. Owners and reviewers highlight its refined yet sporty appearance and lightweight titanium construction, noting it wears smaller than its 41mm dimensions. The 9R66 Spring Drive movement is lauded for its precision, with accuracy reported at ±1 second per day. One owner notes the watch head shows no wear and there are no scratches on the back of the lugs, indicating excellent overall condition. Overall, owners and reviewers rate the Grand Seiko SBGE285 highly for its blend of sophisticated finishing, comfortable wearability, and precise Spring Drive GMT functionality.

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