Side by side

Citizen Promaster Diver EcozillavsSpinnaker Hull Commander

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

Promaster Diver Ecozilla
CitizenPromaster Diver Ecozilla
MSRP $469
Hull Commander
SpinnakerHull Commander
MSRP $520

At a glance

11 of 29 specs differ
Diameter
Promaster Diver Ecozilla48mm
Hull Commander42mm
Power Reserve
Promaster Diver Ecozilla40h
Hull Commander40h
Water Resistance
Promaster Diver Ecozilla300m
Hull Commander300m
MSRP
Promaster Diver Ecozilla$469
Hull Commander$520

Full specifications

Case

5 specs
Diameter
48mm
42mm
Thickness
12mm
13.5mm
Lug-to-Lug
46mm
49mm
Lug Width
29mm
22mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

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

Movement

2 specs
Caliber
B873
SII NH35A
Type
Solar
Automatic

Pricing

1 specs
MSRP
$469
$520

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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.

Spinnaker Hull Commander

The Spinnaker Hull Commander is widely praised by owners for its excellent build quality and finishing relative to its sub-$200 price point. Some owners note that watches in the Hull line can be thick. One owner flags that the big date complication on the Chronograph variant is partially obscured by the chronograph hand, and the included leather strap is unsuitable for a 100M water-resistant watch. On balance, owners rate the Spinnaker Hull Commander highly for its exceptional value and robust construction at its price.

From video reviewers

The unique, naturally patterned dial is a significant aesthetic draw. The 42mm case diameter and 50mm lug-to-lug measurement may be large for smaller wrists.

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