Side by side

Serica Ref. 5303 Diving ChronometervsSternglas Naos Automatik Edition Oxford

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
Naos Automatik Edition Oxford
SternglasNaos Automatik Edition Oxford
MSRP $701

At a glance

13 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Naos Automatik Edition Oxford38mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Naos Automatik Edition Oxford42h
Water Resistance
Ref. 5303 Diving Chronometer300m
Naos Automatik Edition Oxford50m
MSRP
Ref. 5303 Diving Chronometer$1,768
Naos Automatik Edition Oxford$701

Full specifications

Case

5 specs
Category
Diver
Dress
Diameter
39mm
38mm
Thickness
12.2mm
9mm
Lug-to-Lug
46.5mm
42.4mm
Water Resistance
300m
50m

Crystal & Dial

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

Movement

4 specs
Caliber
M100 COSC
Miyota 9015
Power Reserve
42h
42h
Jewels
25
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$701

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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.

Sternglas Naos Automatik Edition Oxford

Owners widely praise the Sternglas Naos Automatik Edition Oxford for its elegant Bauhaus design, particularly the "Alabaster" dial described as a warm grey, beige, or silver, and its well-proportioned handset with distinctive red accents. The compact lugs and sapphire crystal are also highlighted as positive design elements contributing to its wearability. However, some owners find the movement audible and the small crown difficult to grip, making winding and setting inconvenient. One owner noted the finishing is not comparable to higher-end brands. On balance, owners rate the Sternglas Naos Automatik Edition Oxford highly for its attractive, affordable Bauhaus aesthetic and versatile wearability.

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