Side by side

Citizen Promaster Diver EcozillavsGrand Seiko SBGP015

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

Promaster Diver Ecozilla
CitizenPromaster Diver Ecozilla
MSRP $469
SBGP015
Grand SeikoSBGP015
MSRP $3,800

At a glance

10 of 29 specs differ
Diameter
Promaster Diver Ecozilla48mm
SBGP01540mm
Power Reserve
Promaster Diver Ecozilla40h
SBGP01540h
Water Resistance
Promaster Diver Ecozilla300m
SBGP015200m
MSRP
Promaster Diver Ecozilla$469
SBGP015$3,800

Full specifications

Case

5 specs
Diameter
48mm
40mm
Thickness
12mm
12.4mm
Lug-to-Lug
46mm
47.1mm
Lug Width
29mm
20mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
Crystal
Mineral
Sapphire
AR Coating
Underside
Yes

Movement

2 specs
Caliber
B873
9F85
Type
Solar
Quartz

Pricing

1 specs
MSRP
$469
$3,800

Follow this matchup

Get a note when Citizen Promaster Diver Ecozilla vs Grand Seiko SBGP015 gets more votes, a community discussion, or a price drop. No account needed.

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.

Grand Seiko SBGP015

Owners widely praise the Grand Seiko SBGP015 for its stupendous, substantial, and classy versatility, with reviewers noting the dial print is exceptionally sharp, casting shadows under light. The Grand Seiko 9F85 quartz movement is lauded for its excellent timekeeping, with one owner purchasing it as a grab-and-go option. The watch is listed for £1900. Overall, owners rate the Grand Seiko SBGP015 highly for its sharp dial print and the accuracy of its 9F85 quartz movement.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.