Side by side

Serica Ref. 5303 Diving ChronometervsChristopher Ward C60 Lympstone

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 Lympstone
Christopher WardC60 Lympstone
MSRP $1,615

At a glance

14 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
C60 Lympstone40mm
Power Reserve
Ref. 5303 Diving Chronometer42h
C60 Lympstone38h
Water Resistance
Ref. 5303 Diving Chronometer300m
C60 Lympstone600m
MSRP
Ref. 5303 Diving Chronometer$1,768
C60 Lympstone$1,615

Full specifications

Case

5 specs
Diameter
39mm
40mm
Thickness
12.2mm
13.8mm
Lug-to-Lug
46.5mm
49.3mm
Lug Width
20mm
22mm
Water Resistance
300m
600m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Enamel Black
Black
Lume
Super-LumiNova
SLN X1 GL 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
$1,615

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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 Lympstone

The Christopher Ward C60 Lympstone is praised for its unique matt crushed carbon fiber dial, described as meteor-like, and its gunmetal PVD case which resembles brushed stainless steel with a patina. Owners consistently highlight the excellent X1 lume, noting it glows brightly for an extended period. The watch features two large, easy-to-use screw-down crowns and an internal compass bezel. The PVD coating is reported to be intact and in excellent condition. Overall, owners highly rate the Christopher Ward C60 Lympstone for its distinctive dial and robust lume.

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