Side by side

Citizen Promaster Diver EcozillavsYema Navygraf Pearl CMM.20

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

Promaster Diver Ecozilla
CitizenPromaster Diver Ecozilla
MSRP $469
Navygraf Pearl CMM.20
YemaNavygraf Pearl CMM.20
MSRP $1,862

At a glance

11 of 29 specs differ
Diameter
Promaster Diver Ecozilla48mm
Navygraf Pearl CMM.2039mm
Power Reserve
Promaster Diver Ecozilla40h
Navygraf Pearl CMM.2040h
Water Resistance
Promaster Diver Ecozilla300m
Navygraf Pearl CMM.20100m
MSRP
Promaster Diver Ecozilla$469
Navygraf Pearl CMM.20$1,862

Full specifications

Case

5 specs
Diameter
48mm
39mm
Thickness
12mm
9.75mm
Lug Width
29mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

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

Movement

2 specs
Caliber
B873
Yema CMM.20
Type
Solar
Automatic

Pricing

1 specs
MSRP
$469
$1,862

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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.

Yema Navygraf Pearl CMM.20

The Yema Navygraf Pearl CMM.20 is praised for its elegant and slim case design, measuring between 9.5mm and 9.75mm thick, and its unique mother-of-pearl dial and bezel. The watch features functional dive watch elements like 200-meter water resistance and is powered by the in-house CMM.20 micro-rotor movement, which offers a 70-hour power reserve and is adjusted to -3/+7 seconds a day. Overall, reviewers highlight the Yema Navygraf Pearl CMM.20's sophisticated aesthetic and slim profile as its primary strengths.

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