Side by side

Bremont Altitude Perpetual Calendar GMTvsGrand Seiko SBGK007

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
SBGK007
Grand SeikoSBGK007
MSRP $7,300

At a glance

13 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
SBGK00739mm
Power Reserve
Altitude Perpetual Calendar GMT40h
SBGK00772h
Water Resistance
Altitude Perpetual Calendar GMT
SBGK00730m
MSRP
Altitude Perpetual Calendar GMT$38,450
SBGK007$7,300

Full specifications

Case

7 specs
Category
GMT
Dress
Diameter
42mm
39mm
Thickness
12.65mm
11.6mm
Lug-to-Lug
44mm
Lug Width
22mm
19mm
Material
Titanium
Stainless Steel
Water Resistance
30m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Blue
Black

Movement

3 specs
Caliber
9S63
Type
Automatic
Manual
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$38,450
$7,300

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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 SBGK007

The Grand Seiko SBGK007 is praised for its glorious champagne-to-silver-white sunburst dial and domed sapphire crystal. Owners and reviewers highlight its wonderfully slim profile, attributed to the manual-wind movement, contributing to excellent wearability and a design that subtly evokes vintage pieces. The movement is described as attractive yet workmanlike, with accuracy rated between +5 to -3 seconds per day and a 72-hour power reserve. The watch measures 39mm and 11.6mm thick, and is offered on a high-quality leather strap. On balance, owners and reviewers highly regard the Grand Seiko SBGK007 for its elegant slim case and beautifully textured dial.

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