Side by side

Citizen Promaster Diver EcozillavsGeckota Pioneer Automatic

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

Promaster Diver Ecozilla
CitizenPromaster Diver Ecozilla
MSRP $469
Pioneer Automatic
GeckotaPioneer Automatic
MSRP $299

At a glance

12 of 29 specs differ
Diameter
Promaster Diver Ecozilla48mm
Pioneer Automatic42mm
Power Reserve
Promaster Diver Ecozilla40h
Pioneer Automatic40h
Water Resistance
Promaster Diver Ecozilla300m
Pioneer Automatic100m
MSRP
Promaster Diver Ecozilla$469
Pioneer Automatic$299

Full specifications

Case

7 specs
Category
Diver
Field
Diameter
48mm
42mm
Thickness
12mm
14mm
Lug-to-Lug
46mm
45mm
Lug Width
29mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Crystal
Mineral
Domed Sapphire
AR Coating
Underside
Inner

Movement

2 specs
Caliber
B873
NH35
Type
Solar
Automatic

Pricing

1 specs
MSRP
$469
$299

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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.

Geckota Pioneer Automatic

Owners widely praise the Geckota Pioneer Automatic for its retro-futuristic design, impressive lume, and unique dial finishing. The red dial variants are particularly favored for their brushed fumee appearance and vintage feel. Accuracy is noted as surprisingly good for an NH35 movement, though one owner reports +/- 20 seconds per day. The watch is considered a bargain by some at $259, while others find the $519 price for the NH35 movement in a 14mm thick case excessive. The 42mm cushion case is noted to wear large due to its lack of a prominent bezel. A minor phantom date position on the crown is reported, and the crystal is very reflective despite an anti-reflective coating. Some find the gold accents look a bit cheap, and one instance of a loose fleck of lume was observed. Overall, owners rate the Geckota Pioneer Automatic highly for its distinctive vintage aesthetic and value, particularly on sale.

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