Ratio FreeDiver 1066KE20-33VAvsSinn U18

Ref. ratio-free-diver-helium-safe-nylon-automatic-divers-1066ke20-33va-blk-var-nato1-1000m-mens-watch·MSRP $225
lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures
Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

FreeDiver 1066KE20-33VA

U18
Diameter
45mm
44mm
Thickness
15mm
lowest
15.5mm
Water Resistance
1000m
2000m
highest
Power Reserve
41h
42h
highest
MSRP
$225
lowest
$3,488
Movement
Seiko NH35
Sellita SW300-1
Case
8 specsCrystal & Dial
4 specsMovement
4 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely report the Ratio FreeDiver 1066KE20-33VA is well-finished, tidy, and sturdy, with a bezel that has a great feel and minimal back play. The stainless steel bracelet is also noted as being of pretty good quality and comfortable. On balance, owners rate the Ratio FreeDiver 1066KE20-33VA highly for its excellent overall finishing and solid build quality.
The Sinn U18 is lauded for its unique deep blue/green dial with three-dimensional oxygen bubbles that shift with light, and its comfortable, easily adjustable bracelet. Owners describe the 44mm case as having apparent thickness, with one noting minor wear on the underside of the lugs from strap changes. The watch is praised for its versatility, amazing accuracy, and great quality. The Sinn U18 comes with a Sellita SW300-1 movement and a 2000-meter dive specification. On balance, owners and reviewers rate the Sinn U18 highly for its unique dial and overall quality at its price point.
Similar watches
Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.
Also compared
Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.










