Ratio FreeDiver Professional QuartzvsScurfa Diver One D1-500

Ref. ratio-freediver-professional-sapphire-black-dial-quartz-rtf005-200m-mens-watch·MSRP $96

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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.

FreeDiver Professional Quartz

Diver One D1-500
Diameter
40mm
40mm
Lug-to-Lug
n/a
47.7mm
Thickness
13mm
lowest
14.4mm
Water Resistance
200m
500m
highest
MSRP
$96
lowest
$286
Movement
Seiko VX42
ETA F06.412
Case
3 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Ratio FreeDiver Professional Sapphire Black Dial Quartz RTF005 200M Men's Watch for its exceptional value, with many highlighting its comfortable bracelet, low profile, and thin 10mm case. The watch features a sapphire crystal, all-stainless steel construction, and a screw-down crown, with reviewers noting its excellent C3 lume and precise bezel action that aligns perfectly with minimal back play. Some owners find the bracelet clasp feels cheap and suggest improvements for sapphire legibility, though the overall construction is considered solid. Overall, owners rate the Ratio FreeDiver Professional Sapphire Black Dial Quartz RTF005 200M Men's Watch highly for its robust build and comfortable wearability at its price point.
Owners and reviewers widely praise the Scurfa Diver One D1-500 for its robust 40mm case, excellent legibility, and precise 120-click bezel, with many finding its size ideal for everyday wear. The scratch-resistant, single-domed sapphire crystal is highlighted, and while lume is generally lauded as great, one reviewer noted it was not as impressive as on another model. The aluminum bezel is a welcome variation from more common black bezels. The watch is noted for its 500m water resistance, a feature that requires specific construction elements like a larger case back gasket. On balance, owners and reviewers rate the Scurfa Diver One D1-500 highly for its tool-like build quality and legibility at its price point.
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