Side by side

Citizen Promaster Diver EcozillavsHamilton Khaki Navy Scuba Quartz

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

Promaster Diver Ecozilla
CitizenPromaster Diver Ecozilla
MSRP $469
Khaki Navy Scuba Quartz
HamiltonKhaki Navy Scuba Quartz
MSRP $825

At a glance

10 of 29 specs differ
Diameter
Promaster Diver Ecozilla48mm
Khaki Navy Scuba Quartz37mm
Power Reserve
Promaster Diver Ecozilla40h
Khaki Navy Scuba Quartz40h
Water Resistance
Promaster Diver Ecozilla300m
Khaki Navy Scuba Quartz100m
MSRP
Promaster Diver Ecozilla$469
Khaki Navy Scuba Quartz$825

Full specifications

Case

4 specs
Diameter
48mm
37mm
Thickness
12mm
10.77mm
Lug Width
29mm
18mm
Water Resistance
300m
100m

Crystal & Dial

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

Movement

2 specs
Caliber
B873
F06.105
Type
Solar
Quartz

Pricing

1 specs
MSRP
$469
$825

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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.

Hamilton Khaki Navy Scuba Quartz

The Hamilton Khaki Navy Scuba Quartz is noted for its 37mm case size, matte green dial, and aluminum bezel insert, offering 100m water resistance and a green NATO strap. It is powered by an ETA F06.105 quartz movement with an extended battery life of up to 94 months, and is priced at $545. One owner questions its value proposition based on significant price differences between regions. On balance, the Hamilton Khaki Navy Scuba Quartz is seen as a functional quartz dive watch with a notable battery life, though its value is debated by some owners.

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