Side by side

Serica Ref. 5303 Diving ChronometervsanOrdain Model 2 Porcelain

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
Model 2 Porcelain
anOrdainModel 2 Porcelain
MSRP $2,356

At a glance

12 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Model 2 Porcelain39.5mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Model 2 Porcelain68h
Water Resistance
Ref. 5303 Diving Chronometer300m
Model 2 Porcelain50m
MSRP
Ref. 5303 Diving Chronometer$1,768
Model 2 Porcelain$2,356

Full specifications

Case

5 specs
Category
Diver
Diameter
39mm
39.5mm
Thickness
12.2mm
11mm
Lug-to-Lug
46.5mm
46mm
Water Resistance
300m
50m

Crystal & Dial

2 specs
Dial Color
Enamel Black
Model 2 Porcelain
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
M100 COSC
La Joux-Perret G101
Power Reserve
42h
68h
Jewels
25
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$2,356

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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.

anOrdain Model 2 Porcelain

Owners widely praise the anOrdain Model 2 Porcelain for its artistic haute horological experience, sublime design, and exceptional craftsmanship, highlighting the hand-finished, carved, and curved lugs. Reviewers note the deep, glossy black porcelain dial with pad-printed gold numerals and hand-painted lume, though dimples from the traditional production process are visible in certain lighting. The watch features a 39.5mm brushed steel case, a sapphire caseback revealing the La Joux-Perret G101 movement with a 68-hour power reserve, and 50-meter water resistance. Overall, owners and reviewers rate the anOrdain Model 2 Porcelain highly for its unique dial material and detailed case finishing at its price point.

From video reviewers

The anOrdain Model 2 Porcelain's handmade enamel dial is a notable strength, praised by multiple reviewers for its unique, subtle color shift. A potential drawback is the relatively modest water resistance of 50 meters, which may be a trade-off for the watch's focus on aesthetics. Reviewers disagree on the lug-to-lug fit, with some finding it comfortable and others noting it's somewhat large.

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