Side by side

Citizen Promaster Diver EcozillavsMarathon MSAR (Medium Search & Rescue) Diver's 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
MSAR (Medium Search & Rescue) Diver's Quartz
MarathonMSAR (Medium Search & Rescue) Diver's Quartz
MSRP $1,450

At a glance

10 of 29 specs differ
Diameter
Promaster Diver Ecozilla48mm
MSAR (Medium Search & Rescue) Diver's Quartz36mm
Power Reserve
Promaster Diver Ecozilla40h
MSAR (Medium Search & Rescue) Diver's Quartz40h
Water Resistance
Promaster Diver Ecozilla300m
MSAR (Medium Search & Rescue) Diver's Quartz300m
MSRP
Promaster Diver Ecozilla$469
MSAR (Medium Search & Rescue) Diver's Quartz$1,450

Full specifications

Case

5 specs
Diameter
48mm
36mm
Thickness
12mm
18mm
Lug-to-Lug
46mm
Lug Width
29mm
18mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
Crystal
Mineral
Sapphire
AR Coating
Underside
Inner

Movement

2 specs
Caliber
B873
Swiss High-Torque Quartz
Type
Solar
Quartz

Pricing

1 specs
MSRP
$469
$1,450

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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.

Marathon MSAR (Medium Search & Rescue) Diver's Quartz

Owners widely praise the Marathon MSAR (Medium Search & Rescue) Diver's Quartz for its tool-like aesthetic, bright tritium lume, and satisfying bezel action, making it enjoyable to handle and use. One owner finds the 36mm case comfortable after an initial adjustment period, while another reports accuracy within a few seconds of atomic time. On balance, owners rate the Marathon MSAR (Medium Search & Rescue) Diver's Quartz highly for its superb value and enjoyable tool-watch characteristics.

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