Serica Ref. 5303 Diving ChronometervsChristopher Ward C60 Trident Reef

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Serica Ref. 5303 Diving Chronometer at true scale

Ref. 5303 Diving Chronometer

Christopher Ward C60 Trident Reef at true scale

C60 Trident Reef

Diameter

39mm

41mm

Lug-to-Lug

46.5mm

lowest

47.9mm

Thickness

12.2mm

11.4mm

lowest

Water Resistance

300m

highest

200m

Power Reserve

42h

highest

38h

MSRP

$1,768

$995

lowest

Movement

Soprod M100

Sellita SW200-1

Case

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

Crystal & Dial

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

Movement

5 specs
Caliber
Soprod M100
Sellita SW200-1
Beat Rate
0 vph
4 vph
Power Reserve
42h
38h
Jewels
0
26
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$995
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Reviews

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, unique style, and smooth, confident bezel action with a useful dual scale. The winding, hacking, and crown action are reported to be working perfectly, and timekeeping is consistently good, with one owner noting it kept good time over eight months. Some owners find the crown to be comically large, though this is a minority view. Overall, owners rate the Serica Ref. 5303 Diving Chronometer highly for its wearability and distinctive design.

Christopher Ward C60 Trident Reef

The Christopher Ward C60 Trident Reef is widely praised for its vibrant, multi-layered dials and fun, affordable design, with owners appreciating its value and unique aesthetic. Reviewers note the 41mm case size is well-proportioned and wears comfortably due to curved lugs, and the FKM rubber strap is considered comfortable. Some owners desire a fully lumed bezel, and a minority dislike the Bader bracelet. On balance, owners and reviewers rate the Christopher Ward C60 Trident Reef highly for its distinctive design and strong value proposition.

From video reviewers

The dial's vibrant color and unique texture are strong points. The bezel's grip and functionality are a shared weakness. Reviewers disagreed on the watch's value proposition relative to Seiko divers.

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