Side by side

Serica Ref. 5303 Diving ChronometervsSternglas Naos Automatik Edition 60

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 60
SternglasNaos Automatik Edition 60
MSRP $539

At a glance

13 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Naos Automatik Edition 6038mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Naos Automatik Edition 6060h
Water Resistance
Ref. 5303 Diving Chronometer300m
Naos Automatik Edition 6050m
MSRP
Ref. 5303 Diving Chronometer$1,768
Naos Automatik Edition 60$539

Full specifications

Case

5 specs
Category
Diver
Dress
Diameter
39mm
38mm
Thickness
12.2mm
12mm
Lug-to-Lug
46.5mm
43mm
Water Resistance
300m
50m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Enamel Black
Lume
Super-LumiNova
Luminova weiß und orange

Movement

4 specs
Caliber
M100 COSC
Miyota 8315
Power Reserve
42h
60h
Jewels
25
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$539

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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 60

Owners widely praise the Sternglas Naos Automatik Edition 60 for its slim 9mm case, Bauhaus design, alabaster dial, and well-proportioned hands, noting it offers good value and a sophisticated look. Some owners find the movement audible and the 38mm case wears smaller than expected, while others feel the brand lacks heritage compared to established names. One owner reports the sapphire crystal remained scratch-free after two years of daily wear. Overall, owners rate the Sternglas Naos Automatik Edition 60 highly for its attractive Bauhaus styling and affordable price point.

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