Side by side

Bremont Altitude Perpetual Calendar GMTvsGrand Seiko SBGD228

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
SBGD228
Grand SeikoSBGD228
MSRP $273,000

At a glance

13 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
SBGD22844.5mm
Power Reserve
Altitude Perpetual Calendar GMT40h
SBGD228192h
Water Resistance
Altitude Perpetual Calendar GMT
SBGD228100m
MSRP
Altitude Perpetual Calendar GMT$38,450
SBGD228$273,000

Full specifications

Case

7 specs
Category
GMT
Chronograph
Diameter
42mm
44.5mm
Thickness
12.65mm
14.4mm
Lug-to-Lug
52mm
Lug Width
22mm
23mm
Material
Titanium
Gold
Water Resistance
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Blue
Black

Movement

3 specs
Caliber
9R01
Type
Automatic
Spring Drive
Power Reserve
40h
192h

Pricing

1 specs
MSRP
$38,450
$273,000

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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 SBGD228

The Grand Seiko SBGD228 is a limited edition luxury watch featuring a rose gold case, a red mother-of-pearl dial with garnets and diamonds, and the 8-day Spring Drive Caliber 9R01, noted for its accuracy of ±10 seconds per month. Owners are divided on its aesthetic, with some finding it stunning and elegant, while others consider it too "bling" and gaudy, though all acknowledge it is eye-catching. On balance, owners and reviewers acknowledge the Grand Seiko SBGD228's striking and opulent design, supported by its exclusive movement and luxurious materials.

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