Side by side
Serica Ref. 5303 Diving ChronometervsDuxot Tortuga
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
18 of 29 specs differDiameter
Ref. 5303 Diving Chronometer39mm
Tortuga45mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Tortuga40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Tortuga200m
MSRP
Ref. 5303 Diving Chronometer$1,768
Tortuga$169
Full specifications
Case
7 specsDiameter
39mm
45mm
Thickness
12.2mm
14mm
Lug-to-Lug
46.5mm
52mm
Lug Width
20mm
—
Finish
Brushed and polished
Stainless Steel
Water Resistance
300m
200m
Caseback
Solid
—
Crystal & Dial
5 specsCrystal Shape
Flat
—
AR Coating
Yes
—
Dial Color
Enamel Black
Black
Indices
Applied
—
Lume
Super-LumiNova
None
Movement
5 specsCaliber
M100 COSC
—
Beat Rate
28,800 vph
0 vph
Power Reserve
42h
40h
Jewels
25
0
Complications
COSC
None
Pricing
1 specsMSRP
$1,768
$169
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