Side by side

Citizen Promaster Diver EcozillavsWolbrook Skindiver II Professional

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

Promaster Diver Ecozilla
CitizenPromaster Diver Ecozilla
MSRP $469
Skindiver II Professional
WolbrookSkindiver II Professional
MSRP $539

At a glance

11 of 29 specs differ
Diameter
Promaster Diver Ecozilla48mm
Skindiver II Professional40mm
Power Reserve
Promaster Diver Ecozilla40h
Skindiver II Professional40h
Water Resistance
Promaster Diver Ecozilla300m
Skindiver II Professional200m
MSRP
Promaster Diver Ecozilla$469
Skindiver II Professional$539

Full specifications

Case

6 specs
Diameter
48mm
40mm
Thickness
12mm
13mm
Lug-to-Lug
46mm
Lug Width
29mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

2 specs
Crystal
Mineral
Domed Sapphire
AR Coating
Underside
Inner

Movement

2 specs
Caliber
B873
Miyota 9015
Type
Solar
Automatic

Pricing

1 specs
MSRP
$469
$539

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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.

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.

Wolbrook Skindiver II Professional

Owners widely praise the Wolbrook Skindiver II Professional for its comfortable wearability, long-lasting lume, and attractive dial designs, with some appreciating the quartz accuracy and smooth sweeping second hand. The watch features a 40mm diameter, a well-weighted 120-click unidirectional countdown bezel with a BGW9 lumed triangle, and a shock-resistant HexapleX case architecture. It is powered by either a Miyota 9015 or 8315 movement, with the latter adjusted in France to ±15 seconds per day and offering a 60-hour power reserve. Some owners find the 20mm strap potentially problematic and note it wears like a 42mm watch despite its 40mm case size. One reviewer expressed disappointment in hand color matching, poor lume, bezel wobble, and the watch sitting high on its strap, ultimately not recommending it.

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