Side by side

Serica Ref. 5303 Diving ChronometervsSpinnaker Wreck Automatic

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
Wreck Automatic
SpinnakerWreck Automatic
MSRP $189

At a glance

13 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Wreck Automatic44mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Wreck Automatic40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Wreck Automatic200m
MSRP
Ref. 5303 Diving Chronometer$1,768
Wreck Automatic$189

Full specifications

Case

6 specs
Diameter
39mm
44mm
Thickness
12.2mm
14mm
Lug-to-Lug
46.5mm
50mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
M100 COSC
SII NH35A
Power Reserve
42h
40h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$189

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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.

Spinnaker Wreck Automatic

The Spinnaker Wreck Automatic is widely praised for its exceptional value, featuring a distressed finish on its aluminum bezel and etched dial. Owners consistently highlight the excellent bezel and crown action, with one owner noting it surpasses that of many higher-end watches. The 43mm steel case is water-resistant to 100 meters and houses a Seiko NH-35 automatic movement with a 42-hour power reserve. Overall, owners rate the Spinnaker Wreck Automatic highly for its impressive build quality and tactile feel at its price point.

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