Side by side

Citizen Promaster Diver EcozillavsLum-Tec Solar Marine

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

Promaster Diver Ecozilla
CitizenPromaster Diver Ecozilla
MSRP $469
Solar Marine
Lum-TecSolar Marine
MSRP $463

At a glance

11 of 29 specs differ
Diameter
Promaster Diver Ecozilla48mm
Solar Marine39mm
Power Reserve
Promaster Diver Ecozilla40h
Solar Marine40h
Water Resistance
Promaster Diver Ecozilla300m
Solar Marine300m
MSRP
Promaster Diver Ecozilla$469
Solar Marine$463

Full specifications

Case

5 specs
Diameter
48mm
39mm
Thickness
12mm
10.7mm
Lug-to-Lug
46mm
43.5mm
Lug Width
29mm
20mm
Material
Stainless Steel
316L Stainless Steel (DLC coated)

Crystal & Dial

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

Movement

2 specs
Caliber
B873
Type
Solar
Automatic

Pricing

1 specs
MSRP
$469
$463

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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.

Lum-Tec Solar Marine

Lum-Tec Solar Marine owners praise its all-black diver design, excellent lume, and rugged, tank-like build. One owner finds it a perfect fit for a 7-inch wrist and the most frequently worn watch despite its smaller size. However, one owner cautions that the PVD coating will wear and chip within a year, impacting its appearance, and another finds the price high for a solar quartz watch with added lume. On balance, owners rate the Lum-Tec Solar Marine highly for its robust design and excellent lume, despite concerns about PVD durability and value proposition.

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