Side by side

Serica Ref. 5303 Diving ChronometervsChristopher Ward C65 Cranwell Series 2 Vintage

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 Cranwell Series 2 Vintage
Christopher WardC65 Cranwell Series 2 Vintage
MSRP $1,615

At a glance

15 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
C65 Cranwell Series 2 Vintage43.7mm
Power Reserve
Ref. 5303 Diving Chronometer42h
C65 Cranwell Series 2 Vintage38h
Water Resistance
Ref. 5303 Diving Chronometer300m
C65 Cranwell Series 2 Vintage150m
MSRP
Ref. 5303 Diving Chronometer$1,768
C65 Cranwell Series 2 Vintage$1,615

Full specifications

Case

6 specs
Category
Diver
Diameter
39mm
43.7mm
Thickness
12.2mm
11.9mm
Lug-to-Lug
46.5mm
43.7mm
Finish
Brushed and polished
Brushed + Polished
Water Resistance
300m
150m

Crystal & Dial

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

Movement

5 specs
Caliber
M100 COSC
SW200
Beat Rate
28,800 vph
4 vph
Power Reserve
42h
38h
Jewels
25
26
Complications
COSC
GMT, Moonphase

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 C65 Cranwell Series 2 Vintage

Owners widely praise the buttery winding action of the Christopher Ward C65 Cranwell Series 2 Vintage. Reviewers note its pilot watch aesthetics, including a 41mm case and double-digit minute markers, and the use of a chronometer-certified Sellita SW200 movement. One owner reported good timekeeping, with the case, bezel, and crystal remaining pristine despite significant bracelet wear. Overall, owners and reviewers rate the Christopher Ward C65 Cranwell Series 2 Vintage highly for its smooth winding action and robust case finishing.

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