Side by side

Serica Ref. 5303 Diving ChronometervsAtelier Wen Ancestra Launch Edition

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
Ancestra Launch Edition
Atelier WenAncestra Launch Edition
MSRP $45,900

At a glance

13 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Ancestra Launch Edition38.5mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Ancestra Launch Edition40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Ancestra Launch Edition30m
MSRP
Ref. 5303 Diving Chronometer$1,768
Ancestra Launch Edition$45,900

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
39mm
38.5mm
Thickness
12.2mm
Lug-to-Lug
46.5mm
Lug Width
20mm
19mm
Water Resistance
300m
30m

Crystal & Dial

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

Movement

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

Pricing

1 specs
MSRP
$1,768
$45,900

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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 Ancestra Launch Edition

The Atelier Wen Ancestra Launch Edition is widely praised for its unique hand-hammered grand feu enamel dial, featuring Chinese arts and crafts and micro-etched poetry on its custom French movement. Owners and reviewers highlight the dial's dramatic gradient and the flush-set baguette diamond hour markers, all housed in a compact 38mm steel case. The movement is noted as superior to standard ETA or Sellita options. Some owners feel a seconds hand would be a welcome addition, and the $5,850 price point is considered a significant step up, with one commenter finding the brand overpriced. Overall, owners and reviewers rate the Atelier Wen Ancestra Launch Edition highly for its exceptional dial artistry and unique movement at its price.

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