Side by side

Serica Ref. 5303 Diving ChronometervsanOrdain Model 2 OT

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 OT
anOrdainModel 2 OT
MSRP $1,588

At a glance

13 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Model 2 OT36mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Model 2 OT42h
Water Resistance
Ref. 5303 Diving Chronometer300m
Model 2 OT50m
MSRP
Ref. 5303 Diving Chronometer$1,768
Model 2 OT$1,588

Full specifications

Case

6 specs
Category
Diver
Diameter
39mm
36mm
Thickness
12.2mm
11mm
Lug-to-Lug
46.5mm
43mm
Lug Width
20mm
18mm
Water Resistance
300m
50m

Crystal & Dial

2 specs
Dial Color
Enamel Black
Model 2 OT
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
$1,588

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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 OT

Owners and reviewers widely praise the anOrdain Model 2 OT for its exquisite, handcrafted vitreous enamel dial and harmonious design. The 36mm steel case is noted for its simple, rugged field watch inspiration, and the winding experience is described as exceptionally smooth. Some reviewers flag a low 5atm water resistance and noticeable glare on the crystal, while others mention the lack of a seconds hand and limited lume. The 36mm case size is perceived differently, with some finding it wears larger and others smaller than expected. Overall, the consensus is that the anOrdain Model 2 OT is a highly regarded piece for its artistic dial and craftsmanship at its price point.

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