Side by side

Serica Ref. 5303 Diving ChronometervsSpinnaker Fleuss Pearl Diver Nessie

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
Fleuss Pearl Diver Nessie
SpinnakerFleuss Pearl Diver Nessie
MSRP $425

At a glance

13 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Fleuss Pearl Diver Nessie43mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Fleuss Pearl Diver Nessie40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Fleuss Pearl Diver Nessie150m
MSRP
Ref. 5303 Diving Chronometer$1,768
Fleuss Pearl Diver Nessie$425

Full specifications

Case

6 specs
Diameter
39mm
43mm
Thickness
12.2mm
13mm
Lug-to-Lug
46.5mm
51mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
150m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Enamel Black
Blue
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
M100 COSC
SII NH35A
Power Reserve
42h
40h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$425

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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.

Spinnaker Fleuss Pearl Diver Nessie

Owners widely report a split on the Spinnaker Fleuss Pearl Diver Nessie's build quality, with some finding it disappointing due to issues like misaligned bezels or indices, while others praise its robust construction. The watch features a blue mother-of-pearl dial with a hidden Nessie silhouette, powered by a Miyota 8245 movement and priced at $425. One owner noted the Spinnaker Fleuss Pearl Diver Nessie felt a bit large. Overall, owners and reviewers find the Spinnaker Fleuss Pearl Diver Nessie offers good value with unique design elements that celebrate its theme without being overly cartoonish.

From video reviewers

The blue Mother-of-Pearl dial with "Nessie" easter eggs is a distinctive design element. The 43mm case size may be substantial for smaller wrists.

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