Side by side

Bremont Altitude Perpetual Calendar GMTvsGrand Seiko SLGW003

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
SLGW003
Grand SeikoSLGW003
MSRP $11,600

At a glance

12 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
SLGW00338.6mm
Power Reserve
Altitude Perpetual Calendar GMT40h
SLGW00380h
Water Resistance
Altitude Perpetual Calendar GMT
SLGW00330m
MSRP
Altitude Perpetual Calendar GMT$38,450
SLGW003$11,600

Full specifications

Case

6 specs
Category
GMT
Dress
Diameter
42mm
38.6mm
Thickness
12.65mm
9.95mm
Lug-to-Lug
45mm
Lug Width
22mm
20mm
Water Resistance
30m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Blue
Black

Movement

3 specs
Caliber
9SA4
Type
Automatic
Manual
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$38,450
$11,600

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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 SLGW003

The Grand Seiko SLGW003 is praised for its comfortable, lightweight Brilliant Hard Titanium case, meticulous finishing, and a clean, modern dial. Reviewers highlight the new 9SA4 manual-wind movement, noting its attractive finishing, 80-hour power reserve, and accuracy of -3/+5 seconds per day. It is considered a versatile dress watch blending vintage and future Grand Seiko spirit. The €11,700 price is noted as expensive, with some questioning its value. Overall, reviewers rate the Grand Seiko SLGW003 highly for its elegant design and impressive manual-wind movement at its flagship price point.

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