Side by side

Citizen Promaster Diver EcozillavsSpinnaker Hull Diver

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 Diver
SpinnakerHull Diver
MSRP $375

At a glance

11 of 29 specs differ
Diameter
Promaster Diver Ecozilla48mm
Hull Diver42mm
Power Reserve
Promaster Diver Ecozilla40h
Hull Diver40h
Water Resistance
Promaster Diver Ecozilla300m
Hull Diver300m
MSRP
Promaster Diver Ecozilla$469
Hull Diver$375

Full specifications

Case

5 specs
Diameter
48mm
42mm
Thickness
12mm
15mm
Lug-to-Lug
46mm
47.5mm
Lug Width
29mm
22mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

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

Movement

2 specs
Caliber
B873
SII NH35A
Type
Solar
Automatic

Pricing

1 specs
MSRP
$469
$375

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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 Diver

The Spinnaker Hull Diver is widely praised for its excellent build quality, featuring a milled clasp, solid links, and a strong anti-reflective coating on its sapphire crystal. Owners highlight its value, with one calling it one of their best affordable watches at $170, and appreciate the dual-part case construction that contributes to a reduced thickness. The blue dial is noted for its attractive play of light, and the screw-down crown is easy to operate. However, the lume is considered average, and some desire a higher beat movement. On balance, owners rate the Spinnaker Hull Diver highly for its robust construction and strong value proposition at its price point.

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