Side by side

Citizen Promaster Diver EcozillavsLorier Neptune SIV

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

Promaster Diver Ecozilla
CitizenPromaster Diver Ecozilla
MSRP $469
Neptune SIV
LorierNeptune SIV
MSRP $599

At a glance

11 of 29 specs differ
Diameter
Promaster Diver Ecozilla48mm
Neptune SIV39mm
Power Reserve
Promaster Diver Ecozilla40h
Neptune SIV40h
Water Resistance
Promaster Diver Ecozilla300m
Neptune SIV200m
MSRP
Promaster Diver Ecozilla$469
Neptune SIV$599

Full specifications

Case

5 specs
Diameter
48mm
39mm
Thickness
12mm
Lug-to-Lug
46mm
Lug Width
29mm
20mm
Water Resistance
300m
200m

Crystal & Dial

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

Movement

2 specs
Caliber
B873
Type
Solar
Automatic

Pricing

1 specs
MSRP
$469
$599

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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.

Lorier Neptune SIV

Owners widely praise the Lorier Neptune SIV for its versatile, vintage-inspired design featuring a glossy gilt-style dial and a comfortable, tapered bracelet, noting its affordability reduces wear anxiety. Reviewers and owners alike mention the acrylic crystal as a point of contention, with some preferring sapphire, and one owner finds the bracelet lacks the feel of more expensive options. On balance, owners and reviewers rate the Lorier Neptune SIV highly for its appealing vintage aesthetic and value proposition.

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