Side by side

Serica Ref. 5303 Diving ChronometervsanOrdain Model 2

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
anOrdainModel 2
MSRP $2,673

At a glance

12 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Model 241mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Model 242h
Water Resistance
Ref. 5303 Diving Chronometer300m
Model 250m
MSRP
Ref. 5303 Diving Chronometer$1,768
Model 2$2,673

Full specifications

Case

5 specs
Category
Diver
Diameter
39mm
41mm
Thickness
12.2mm
11.5mm
Lug-to-Lug
46.5mm
49mm
Water Resistance
300m
50m

Crystal & Dial

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

Movement

4 specs
Caliber
M100 COSC
Sellita SW210-1
Type
Automatic
Manual
Jewels
25
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$2,673

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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

Owners and reviewers widely praise the anOrdain Model 2 for its exquisite, handmade Grand Feu enamel dial, often described as liquid-like, and its simple, rugged 36mm steel case. The smooth winding action of the Sellita SW-210 movement is also a frequently cited positive. Some reviewers note the 36mm case wears larger than expected, while others find it perfect for everyday wear and elegant. Criticisms include 5atm water resistance, glare from the sapphire crystal, and the lack of a running seconds hand. One owner expressed a strong desire to reacquire their Model 2 after selling it. Overall, owners and reviewers rate the anOrdain Model 2 highly for its stunning enamel dial and wearability at the price point.

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