Side by side

Citizen Promaster Diver EcozillavsDryden Chrono Diver Series 1

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

Promaster Diver Ecozilla
CitizenPromaster Diver Ecozilla
MSRP $469
Chrono Diver Series 1
DrydenChrono Diver Series 1
MSRP $349

At a glance

12 of 29 specs differ
Diameter
Promaster Diver Ecozilla48mm
Chrono Diver Series 142mm
Power Reserve
Promaster Diver Ecozilla40h
Chrono Diver Series 140h
Water Resistance
Promaster Diver Ecozilla300m
Chrono Diver Series 1101m
MSRP
Promaster Diver Ecozilla$469
Chrono Diver Series 1$349

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
48mm
42mm
Thickness
12mm
13.5mm
Lug-to-Lug
46mm
49mm
Lug Width
29mm
22mm
Water Resistance
300m
101m

Crystal & Dial

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

Movement

2 specs
Caliber
B873
Type
Solar
Quartz

Pricing

1 specs
MSRP
$469
$349

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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.

Dryden Chrono Diver Series 1

The Dryden Chrono Diver Series 1 is a 42mm mechaquartz chronograph featuring a dual-curved sapphire crystal and 100m water resistance. Owners note the VK63 movement's characteristic chronograph hand not resetting perfectly to zero, a trait present on this specific watch. The case exhibits polished chamfers on the upper lugs, and it utilizes Swiss Superluminova BGW9. On balance, owners appreciate the classic case shape and dial design of the Dryden Chrono Diver Series 1 at its price point, despite the mechaquartz movement's known reset behavior.

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