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Circula Watches AquaSport IIvsSinn U18

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

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AquaSport II
Circula WatchesAquaSport II
U18
SinnU18
MSRP $3,488
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Buy from Sinn ↗
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At a glance

16 of 29 specs differ
Diameter
AquaSport II40mm
U1844mm
Power Reserve
AquaSport II41h
U1842h
Water Resistance
AquaSport II200m
U182,000m
MSRP
AquaSport II—
U18$3,488

Full specifications

Case

9 specs
Category
—
Diver
Diameter
40mm
44mm
Thickness
12.6mm
15.5mm
Lug-to-Lug
46mm
—
Lug Width
20mm
22mm
Material
Stainless Steel
high-strength
Finish
Brushed and polished
—
Water Resistance
200m
2000m
Caseback
Solid
—

Crystal & Dial

4 specs
Crystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Blue
Black
Indices
Applied
—

Movement

2 specs
Caliber
Sellita SW200-1
SW300-1
Power Reserve
41h
42h

Pricing

1 specs
MSRP
—
$3,488
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