Side by side

Bremont Altitude Perpetual Calendar GMTvsTissot Seastar 1000 GMT

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
Seastar 1000 GMT
TissotSeastar 1000 GMT
MSRP $575

At a glance

13 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
Seastar 1000 GMT40mm
Power Reserve
Altitude Perpetual Calendar GMT40h
Seastar 1000 GMT40h
Water Resistance
Altitude Perpetual Calendar GMT
Seastar 1000 GMT300m
MSRP
Altitude Perpetual Calendar GMT$38,450
Seastar 1000 GMT$575

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
42mm
40mm
Thickness
12.65mm
11.77mm
Lug-to-Lug
40mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
300m

Crystal & Dial

3 specs
Dial Color
Blue
Black
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®

Movement

2 specs
Caliber
11 1/2'''
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$38,450
$575

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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.

Tissot Seastar 1000 GMT

Owners widely praise the Tissot Seastar 1000 GMT for its sapphire crystal, 300m water resistance, and GMT complication, with one owner expressing deep satisfaction. A point of contention for some is that Swiss quartz movements may exhibit second-hand misalignment with markers, unlike certain Japanese quartz movements. On balance, owners rate the Tissot Seastar 1000 GMT highly for its robust features and value.

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