Side by side

Serica Ref. 5303 Diving ChronometervsChristopher Ward C65 Super Compressor Elite

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
C65 Super Compressor Elite
Christopher WardC65 Super Compressor Elite
MSRP $1,995

At a glance

14 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
C65 Super Compressor Elite40mm
Power Reserve
Ref. 5303 Diving Chronometer42h
C65 Super Compressor Elite56h
Water Resistance
Ref. 5303 Diving Chronometer300m
C65 Super Compressor Elite150m
MSRP
Ref. 5303 Diving Chronometer$1,768
C65 Super Compressor Elite$1,995

Full specifications

Case

5 specs
Diameter
39mm
40mm
Thickness
12.2mm
13.75mm
Lug-to-Lug
46.5mm
47.12mm
Lug Width
20mm
22mm
Water Resistance
300m
150m

Crystal & Dial

4 specs
AR Coating
Yes
Inner
Dial Color
Enamel Black
Blue
Indices
Applied
Printed
Lume
Super-LumiNova
SLN X1 GL C1

Movement

4 specs
Caliber
M100 COSC
SW300-1
Beat Rate
28,800 vph
4 vph
Power Reserve
42h
56h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$1,995

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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 C65 Super Compressor Elite

The Christopher Ward C65 Super Compressor Elite is praised for its well-made, refined, and attractively finished Super Compressor case, featuring a blue gradient dial with decompression scales and an internal bezel operated by the 2 o'clock crown. Reviewers note the COSC-certified Sellita SW300-1 movement offers a 56-hour power reserve. However, the bracelet's end link finishing does not match the lugs, and the pin-and-collar sizing system is criticized for difficulty. One reviewer calls the 150-meter water resistance a party trick and dislikes the logo and trident on the seconds hand. Overall, reviewers find the Christopher Ward C65 Super Compressor Elite to be a refined and attractively finished watch, despite some criticisms regarding bracelet finishing and water resistance.

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