Side by side

Astor + Banks Sea Ranger M2vsBremont Altitude Perpetual Calendar GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Sea Ranger M2
Astor + BanksSea Ranger M2
MSRP $1,149
Altitude Perpetual Calendar GMT
BremontAltitude Perpetual Calendar GMT
MSRP $38,450

At a glance

10 of 29 specs differ
Diameter
Sea Ranger M240mm
Altitude Perpetual Calendar GMT42mm
Power Reserve
Sea Ranger M240h
Altitude Perpetual Calendar GMT40h
Water Resistance
Sea Ranger M2300m
Altitude Perpetual Calendar GMT
MSRP
Sea Ranger M2$1,149
Altitude Perpetual Calendar GMT$38,450

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
40mm
42mm
Thickness
12.5mm
12.65mm
Lug-to-Lug
45.5mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Titanium
Water Resistance
300m

Crystal & Dial

1 specs
Dial Color
Tobacco
Blue

Movement

1 specs
Caliber
La Joux-Perret G100

Pricing

1 specs
MSRP
$1,149
$38,450

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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.

Astor + Banks Sea Ranger M2

The Astor + Banks Sea Ranger M2 is widely praised for its balanced design, excellent legibility, and strong GADA (go-anywhere, do-anything) capabilities, featuring 300m water resistance and a scratch-resistant coating. Reviewers note its comfortable 40mm case size and good lume, though one source describes it as good but not great. The movement is a Sellita SW200 adjusted by the brand, with accuracy reported around ±8 seconds per day. The pre-order price is $650, with a standard price of $850. On balance, reviewers find the Astor + Banks Sea Ranger M2 to be a compelling option due to its functional design and robust specifications.

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.

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