Side by side

Serica Ref. 5303 Diving ChronometervsChristopher Ward C1 Bel Canto

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

Ref. 5303 Diving Chronometer
SericaRef. 5303 Diving Chronometer
MSRP $1,768
C1 Bel Canto
Christopher WardC1 Bel Canto
MSRP $4,725

At a glance

16 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
C1 Bel Canto40mm
Power Reserve
Ref. 5303 Diving Chronometer42h
C1 Bel Canto38h
Water Resistance
Ref. 5303 Diving Chronometer300m
C1 Bel Canto30m
MSRP
Ref. 5303 Diving Chronometer$1,768
C1 Bel Canto$4,725

Full specifications

Case

7 specs
Category
Diver
Skeleton
Diameter
39mm
40mm
Thickness
12.2mm
13mm
Lug-to-Lug
46.5mm
48mm
Lug Width
20mm
22mm
Material
Stainless Steel
Grade 5 Titanium
Water Resistance
300m
30m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Enamel Black
Rosa
Lume
Super-LumiNova
SLN C1 X1 BL

Movement

5 specs
Caliber
M100 COSC
SW200-1
Beat Rate
28,800 vph
4 vph
Power Reserve
42h
38h
Jewels
25
29
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$4,725

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What people say

Owners + reviewers, side by side

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

Serica Ref. 5303 Diving Chronometer

Owners widely praise the Serica Ref. 5303 Diving Chronometer for its excellent wearability, definitive style, and smooth, confident bezel action. The dual scale on the bezel is noted as surprisingly useful, and the crown action, winding, and hacking are reported to work perfectly. One owner describes the Serica 5303-3 as gorgeous and unique, though another notes the crown can appear comically large. On balance, owners rate the Serica Ref. 5303 Diving Chronometer highly for its blend of unique design and robust functionality.

Christopher Ward C1 Bel Canto

The Christopher Ward C1 Bel Canto is praised for its three-dimensional, futuristic aesthetic and exposed chiming mechanism, with its design language compared to MB&F. Reviewers note the Cielo blue dial's transition from pale blue to grey and the hand-finished anglage on the sonnerie au passage complication's levers and hammers. The 41mm grade-5 titanium case is finished with fine brushing, and the movement is a Sellita SW200-1 base with an FS01 chiming module, offering a 38-hour power reserve. One reviewer found the Oyster-style bracelet stylistically mismatched with the classical dial of the C1 Bel Canto Classic. Overall, reviewers highlight the C1 Bel Canto's striking design and intricate chiming complication as its primary appeal.

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