Side by side

Serica Ref. 5303 Diving ChronometervsChristopher Ward C1 Moonglow

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 Moonglow
Christopher WardC1 Moonglow
MSRP $2,850

At a glance

15 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
C1 Moonglow47.9mm
Power Reserve
Ref. 5303 Diving Chronometer42h
C1 Moonglow38h
Water Resistance
Ref. 5303 Diving Chronometer300m
C1 Moonglow30m
MSRP
Ref. 5303 Diving Chronometer$1,768
C1 Moonglow$2,850

Full specifications

Case

6 specs
Category
Diver
Diameter
39mm
47.9mm
Thickness
12.2mm
12.9mm
Lug-to-Lug
46.5mm
47.9mm
Finish
Brushed and polished
Brushed + Polished
Water Resistance
300m
30m

Crystal & Dial

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

Movement

5 specs
Caliber
M100 COSC
SW220
Beat Rate
28,800 vph
4 vph
Power Reserve
42h
38h
Jewels
25
26
Complications
COSC
Moonphase, Day-date

Pricing

1 specs
MSRP
$1,768
$2,850

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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 Moonglow

Owners widely praise the Christopher Ward C1 Moonglow for its gorgeous, avant-garde moonphase display and impressive lume, with many finding it comfortable and well-wearing. The constantly rotating moon phase complication is a highlight, and its accuracy is noted as exceptional. However, some find the lume on the date ring disappointing, fading quickly, and one owner finds the second, less visible moon distracting. Overall, owners rate the Christopher Ward C1 Moonglow highly for its visually engaging moonphase and value at the price point.

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