Side by side

Serica Ref. 5303 Diving ChronometervsChristopher Ward C60 Trident Reef

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
C60 Trident Reef
Christopher WardC60 Trident Reef
MSRP $995

At a glance

14 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
C60 Trident Reef41mm
Power Reserve
Ref. 5303 Diving Chronometer42h
C60 Trident Reef38h
Water Resistance
Ref. 5303 Diving Chronometer300m
C60 Trident Reef200m
MSRP
Ref. 5303 Diving Chronometer$1,768
C60 Trident Reef$995

Full specifications

Case

5 specs
Diameter
39mm
41mm
Thickness
12.2mm
11.45mm
Lug-to-Lug
46.5mm
47.9mm
Lug Width
20mm
22mm
Water Resistance
300m
200m

Crystal & Dial

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

Movement

5 specs
Caliber
M100 COSC
SW200-1
Beat Rate
28,800 vph
4 vph
Power Reserve
42h
38h
Jewels
25
26
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$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 C60 Trident Reef

Owners widely praise the Christopher Ward C60 Trident Reef for its fun, affordable design, vibrant multi-layered dials inspired by reef art, and good wearability due to curved lugs and a thin profile, with the 41mm size noted as better proportioned. The watch is powered by the Sellita SW200-1 movement and offers 200m water resistance, with pricing starting at £695. One reviewer suggested swapping the yellow minute hand and strap on a specific model for a different aesthetic. Overall, owners and reviewers rate the Christopher Ward C60 Trident Reef highly for its vibrant design and value at the price point.

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