Side by side

Citizen Promaster Diver EcozillavsGrand Seiko SBGV245

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

Promaster Diver Ecozilla
CitizenPromaster Diver Ecozilla
MSRP $469
SBGV245
Grand SeikoSBGV245
MSRP $3,000

At a glance

10 of 29 specs differ
Diameter
Promaster Diver Ecozilla48mm
SBGV24540mm
Power Reserve
Promaster Diver Ecozilla40h
SBGV24540h
Water Resistance
Promaster Diver Ecozilla300m
SBGV245200m
MSRP
Promaster Diver Ecozilla$469
SBGV245$3,000

Full specifications

Case

5 specs
Diameter
48mm
40mm
Thickness
12mm
11.8mm
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
9F82
Type
Solar
Quartz

Pricing

1 specs
MSRP
$469
$3,000

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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.

Grand Seiko SBGV245

Grand Seiko SBGV245 owners widely praise its exceptional case finishing with mixed polishing and brushing, faceted indices, sharp hands, and matte dial, noting its robust tool-watch specifications including 200m water resistance, anti-magnetism, and Lumibrite. The 9F82 quartz movement is lauded for its precision, accurate to +/- 10 seconds per year, offering a refined, set-it-and-forget-it experience with carefree maintenance. Some owners report the Zaratsu polished surfaces and sharp bezel are prone to dings and scratches, and one notes the second hand does not perfectly align with the markers. This JDM-exclusive Grand Seiko SBGV245 is rarely available and commands a high price even on the resale market. Overall, owners rate the Grand Seiko SBGV245 highly for its exceptional finishing and technical innovation at a competitive price point.

From video reviewers

The 9F Quartz movement is a high-precision quartz movement with a 50-year lifespan. The watch's exceptional finishing is another level, with reviewers praising its high-quality craftsmanship. The watch's lug width of 20mm might be a drawback for those with smaller wrists or limited strap options, and the lume brightness is somewhat lacking.

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