Side by side

Bremont Altitude Perpetual Calendar GMTvsGrand Seiko SBGJ249

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
SBGJ249
Grand SeikoSBGJ249
MSRP $7,700

At a glance

11 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
SBGJ24939.5mm
Power Reserve
Altitude Perpetual Calendar GMT40h
SBGJ24955h
Water Resistance
Altitude Perpetual Calendar GMT
SBGJ24930m
MSRP
Altitude Perpetual Calendar GMT$38,450
SBGJ249$7,700

Full specifications

Case

6 specs
Diameter
42mm
39.5mm
Thickness
12.65mm
14.1mm
Lug-to-Lug
46.9mm
Lug Width
22mm
19mm
Material
Titanium
Stainless Steel
Water Resistance
30m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Blue
Black

Movement

2 specs
Caliber
9S86
Power Reserve
40h
55h

Pricing

1 specs
MSRP
$38,450
$7,700

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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 SBGJ249

Grand Seiko SBGJ249 owners and reviewers widely praise its spectacular beauty, particularly the stunning wave dial that shifts color and exhibits an incredible texture. The watch is noted for its perfect proportions and "out of this world" finishing on the case, hands, and hour indices. It is powered by the Hi-Beat Caliber 9S86, a true GMT movement operating at 36,000vph. Accuracy is reported at -3 to +5 seconds per day, with one owner noting +3 seconds per day. The watch is offered at $6,800, which is considered outstanding value. A drawback flagged is its 3 bar water resistance. On balance, owners and reviewers rate the Grand Seiko SBGJ249 highly for its exceptional dial finishing and overall beauty at its price point.

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