Side by side

Citizen Promaster Diver EcozillavsMarathon Steel Navigator SSNAV 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
Steel Navigator SSNAV Quartz
MarathonSteel Navigator SSNAV Quartz
MSRP $1,000

At a glance

12 of 29 specs differ
Diameter
Promaster Diver Ecozilla48mm
Steel Navigator SSNAV Quartz41mm
Power Reserve
Promaster Diver Ecozilla40h
Steel Navigator SSNAV Quartz40h
Water Resistance
Promaster Diver Ecozilla300m
Steel Navigator SSNAV Quartz60m
MSRP
Promaster Diver Ecozilla$469
Steel Navigator SSNAV Quartz$1,000

Full specifications

Case

7 specs
Category
Diver
Pilot
Diameter
48mm
41mm
Thickness
12mm
11mm
Lug-to-Lug
46mm
48mm
Lug Width
29mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
60m

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
$1,000

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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 Steel Navigator SSNAV Quartz

The Marathon Steel Navigator SSNAV Quartz is widely praised for its highly accurate Swiss Made ETA F06.412 PreciDrive movement, with stated accuracy of ±10 seconds per year, and its constant low-light visibility from self-illuminating tritium tubes. Owners find the watch comfortable and impressive, noting its 41mm sandblasted steel case with an asymmetrical design, bi-directional GMT bezel with excellent action, sapphire crystal, and 100m water resistance with a screw-down crown. On balance, owners and reviewers rate the Marathon Steel Navigator SSNAV Quartz highly for its robust tool watch design and exceptional accuracy at its price point.

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