Side by side

Citizen Promaster Diver EcozillavsWolbrook Skindiver Automatic

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 Automatic
WolbrookSkindiver Automatic
MSRP $549

At a glance

10 of 29 specs differ
Diameter
Promaster Diver Ecozilla48mm
Skindiver Automatic38mm
Power Reserve
Promaster Diver Ecozilla40h
Skindiver Automatic40h
Water Resistance
Promaster Diver Ecozilla300m
Skindiver Automatic200m
MSRP
Promaster Diver Ecozilla$469
Skindiver Automatic$549

Full specifications

Case

5 specs
Diameter
48mm
38mm
Lug-to-Lug
46mm
Lug Width
29mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
300m
200m

Crystal & Dial

2 specs
Crystal
Mineral
Domed Sapphire
AR Coating
Underside
Inner

Movement

2 specs
Caliber
B873
Miyota 9039
Type
Solar
Automatic

Pricing

1 specs
MSRP
$469
$549

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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 Automatic

Owners widely praise the Wolbrook Skindiver Automatic 38mm for its vintage-inspired design, compact 38mm size, and tool-like aesthetic, offering good value for its price. The watch features ridiculously bright and long-lasting lume, a clean dial, and a Miyota 9039 no-date movement. Some owners find the push-pull crown a drawback, while others note the clasp and some bracelet links can feel sharp. Opinions are split on the bracelet design, with some finding it confusing and others praising its articulation and micro-adjustments. One owner found the 40mm case felt larger than expected. Overall, owners rate the Wolbrook Skindiver Automatic 38mm highly for its vintage aesthetic and tool-watch appeal at a reasonable price.

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