Ratio FreeDiver 1066KE20-33VAvsSinn U18

FreeDiver 1066KE20-33VA
RatioFreeDiver 1066KE20-33VA

Ref. ratio-free-diver-helium-safe-nylon-automatic-divers-1066ke20-33va-blk-var-nato1-1000m-mens-watch·MSRP $225

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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.

Ratio FreeDiver 1066KE20-33VA at true scale

FreeDiver 1066KE20-33VA

Sinn U18 at true scale

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 specs
Diameter
45mm
44mm
Thickness
15mm
15.5mm
Lug-to-Lug
n/a
n/a
Lug Width
n/a
22mm
Material
Stainless Steel
high-strength
Finish
n/a
n/a
Water Resistance
1000m
2000m
Caseback
n/a
n/a

Crystal & Dial

4 specs
Crystal Shape
n/a
n/a
AR Coating
n/a
n/a
Dial Color
n/a
Black
Indices
n/a
n/a

Movement

4 specs
Caliber
Seiko NH35
Sellita SW300-1
Beat Rate
0 vph
28,800 vph
Power Reserve
41h
42h
Jewels
0
25

Pricing

1 specs
MSRP
$225
$3,488
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Ratio FreeDiver 1066KE20-33VA

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.

Sinn U18

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.

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