Side by side

Astor + Banks Sea Ranger M2vsCitizen Promaster Diver Ecozilla

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
Promaster Diver Ecozilla
CitizenPromaster Diver Ecozilla
MSRP $469

At a glance

11 of 29 specs differ
Diameter
Sea Ranger M240mm
Promaster Diver Ecozilla48mm
Power Reserve
Sea Ranger M240h
Promaster Diver Ecozilla40h
Water Resistance
Sea Ranger M2300m
Promaster Diver Ecozilla300m
MSRP
Sea Ranger M2$1,149
Promaster Diver Ecozilla$469

Full specifications

Case

5 specs
Diameter
40mm
48mm
Thickness
12.5mm
12mm
Lug-to-Lug
45.5mm
46mm
Lug Width
20mm
29mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

3 specs
Crystal
Sapphire
Mineral
AR Coating
Inner
Underside
Dial Color
Tobacco
Black

Movement

2 specs
Caliber
La Joux-Perret G100
B873
Type
Automatic
Solar

Pricing

1 specs
MSRP
$1,149
$469

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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.

Citizen Promaster Diver Ecozilla

The Citizen Promaster Diver Ecozilla is widely praised for its reassuringly solid, overbuilt feel and excellent value, especially when on sale. Owners note that the second hand hits its markers well, with one owner reporting all nine of their Citizen watches exhibit proper alignment. The watch features robust 300m water resistance and vibrant lume. However, its substantial 48mm size and 18.6mm thickness create a massive wrist presence, and some owners question its wearability due to its chunky dimensions, with one noting the stainless steel version weighs a ton. On balance, owners and reviewers rate the Citizen Promaster Diver Ecozilla highly for its robust build and excellent value proposition.

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