Side by side

Serica Ref. 5303 Diving ChronometervsChristopher Ward C60 Trident Lumière

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 Lumière
Christopher WardC60 Trident Lumière
MSRP $2,570

At a glance

15 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
C60 Trident Lumière47.9mm
Power Reserve
Ref. 5303 Diving Chronometer42h
C60 Trident Lumière56h
Water Resistance
Ref. 5303 Diving Chronometer300m
C60 Trident Lumière300m
MSRP
Ref. 5303 Diving Chronometer$1,768
C60 Trident Lumière$2,570

Full specifications

Case

7 specs
Diameter
39mm
47.9mm
Thickness
12.2mm
10.85mm
Lug-to-Lug
46.5mm
47.9mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Finish
Brushed and polished
Brushed + Polished
Caseback
Solid
Display

Crystal & Dial

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

Movement

4 specs
Caliber
M100 COSC
SW200
Beat Rate
28,800 vph
4 vph
Power Reserve
42h
56h
Complications
COSC
GMT, Moonphase, Day-date

Pricing

1 specs
MSRP
$1,768
$2,570

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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 Lumière

The Christopher Ward C60 Trident Lumière is praised for its bright, even lume and astounding legibility, with Globolight XP markers and hands providing a spectacular 3D effect. Reviewers note the grade 2 titanium case and bracelet, featuring an alternating brushed and polished finish, and a comfortable 10.85mm thickness for all-day wear. The 120-click bezel is described as having no wiggle and crisp, audible stops, with a fully lumed ceramic insert, green for the first 15 minutes and blue for the remainder. It is powered by a COSC-certified Sellita SW300-1 movement. Some reviewers point out that the end links are longer than the lugs, which was a point of disappointment. Overall, reviewers rate the Christopher Ward C60 Trident Lumière highly for its exceptional lume performance and comfortable titanium construction at the price.

From video reviewers

The dial's light-reactive finish and visibility in various lighting conditions are praised. The bracelet clasp is considered basic for the price point. Reviewers disagree on the watch's value proposition relative to its price.

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