Casio GWF-D1000vsCitizen Promaster Geo Trekker
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

GWF-D1000

Promaster Geo Trekker
Diameter
53.3mm
53mm
Lug-to-Lug
59.2mm
n/a
Thickness
18mm
n/a
Water Resistance
200m
1000m
highest
MSRP
$1,050
n/a
Movement
Solar
Citizen Eco-Drive J210
Case
7 specsCrystal & Dial
2 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Casio GWF-D1000 for its robust build, featuring a DLC-coated steel inner case and sapphire crystal, along with its comprehensive dive computer functions including a depth gauge, thermometer, and compass. The solar-powered movement is a key feature, and the display is noted as being clear, even with polarized glasses. However, the Casio GWF-D1000's large 53.3mm case size is a frequent point of discussion, with some owners finding it oversized and less comfortable than previous models, and the strap is considered long for daily wear. The $1000+ price point is also a notable consideration for a G-Shock. Overall, owners and reviewers highly regard the Casio GWF-D1000 as a serious tool watch, with its advanced sensor suite and durable construction being the primary reasons for its appeal.
The Citizen Promaster Geo Trekker is praised for its sophisticated technology, including radio-controlled timekeeping and Eco-Drive solar power, with a striking 46mm case that remains easy to read. Owners appreciate its excellent time, day, and date functionality, a solid bracelet with a mix of finishes, and a scratch-resistant sapphire crystal, noting it as a conversation starter that fits well. The aviation-inspired bezel and UTC disc are highlighted features, though the slide rule bezel's complexity is mentioned. The watch is priced between $795-$850. On balance, owners and reviewers rate the Citizen Promaster Geo Trekker highly for its advanced features and practical design at its price point.
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