Side by side

Serica Ref. 5303 Diving ChronometervsAtelier Wen Porcelain Odyssey — Ji

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
Porcelain Odyssey — Ji
Atelier WenPorcelain Odyssey — Ji
MSRP $705

At a glance

14 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Porcelain Odyssey — Ji39mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Porcelain Odyssey — Ji40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Porcelain Odyssey — Ji50m
MSRP
Ref. 5303 Diving Chronometer$1,768
Porcelain Odyssey — Ji$705

Full specifications

Case

6 specs
Category
Diver
Dress
Thickness
12.2mm
11.7mm
Lug-to-Lug
46.5mm
Lug Width
20mm
18mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Enamel Black
Regular
Lume
Super-LumiNova
None

Movement

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

Pricing

1 specs
MSRP
$1,768
$705

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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.

Atelier Wen Porcelain Odyssey — Ji

Atelier Wen Porcelain Odyssey — Ji owners praise the dial's beauty and legibility, with reviewers highlighting the refined Chinese cultural elements and blued-steel hands. One owner notes the automatic winding functions well, though manual winding feels rough and stiff. The case design is observed to bear a strong resemblance to the TAG Heuer Carrera. Overall, owners and reviewers find the Atelier Wen Porcelain Odyssey — Ji offers excellent value and attention to detail, particularly for its striking porcelain dial.

From video reviewers

The porcelain dial and overall finishing are praised. The value proposition is debated, with one reviewer citing $5,850 and another suggesting under $1000.

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