Side by side

Astor + Banks Sea Ranger M2vsHamilton Jazzmaster Maestro Auto Chrono

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
Jazzmaster Maestro Auto Chrono
HamiltonJazzmaster Maestro Auto Chrono
MSRP $1,995

At a glance

11 of 29 specs differ
Diameter
Sea Ranger M240mm
Jazzmaster Maestro Auto Chrono45mm
Power Reserve
Sea Ranger M240h
Jazzmaster Maestro Auto Chrono60h
Water Resistance
Sea Ranger M2300m
Jazzmaster Maestro Auto Chrono100m
MSRP
Sea Ranger M2$1,149
Jazzmaster Maestro Auto Chrono$1,995

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
40mm
45mm
Thickness
12.5mm
15.35mm
Lug-to-Lug
45.5mm
46mm
Lug Width
20mm
23mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Tobacco
Blue

Movement

2 specs
Caliber
La Joux-Perret G100
H-21
Power Reserve
40h
60h

Pricing

1 specs
MSRP
$1,149
$1,995

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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.

Hamilton Jazzmaster Maestro Auto Chrono

Owners widely praise the Hamilton Jazzmaster Maestro Auto Chrono for its dramatic increase in quality and attention to detail, its versatile dial layout suitable for dressing up or down, and its bulletproof build that remains problem-free for years. Accuracy figures range from gaining about 5 seconds per day to keeping time within 10 seconds per day even after extended periods without service. Some owners find the lack of a second hand a deal-breaker, and the 45mm size can be chunky and may not fit under shirt sleeves. Concerns exist regarding the movement's serviceability, high maintenance costs, and intervals. On balance, owners rate the Hamilton Jazzmaster Maestro Auto Chrono highly for its robust build and quality for the price, despite some reservations about its size and serviceability.

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