Side by side

Serica Ref. 5303 Diving ChronometervsHelgray Skyfighter (Refurbished)

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
Skyfighter (Refurbished)
HelgraySkyfighter (Refurbished)
MSRP $199

At a glance

13 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Skyfighter (Refurbished)42mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Skyfighter (Refurbished)40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Skyfighter (Refurbished)50m
MSRP
Ref. 5303 Diving Chronometer$1,768
Skyfighter (Refurbished)$199

Full specifications

Case

5 specs
Category
Diver
Pilot
Diameter
39mm
42mm
Thickness
12.2mm
12mm
Lug-to-Lug
46.5mm
46mm
Water Resistance
300m
50m

Crystal & Dial

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

Movement

4 specs
Caliber
M100 COSC
Swiss-Made Ronda 5021.D Strap
Type
Automatic
Quartz
Power Reserve
42h
40h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$199

Follow this matchup

Get a note when Serica Ref. 5303 Diving Chronometer vs Helgray Skyfighter (Refurbished) gets more votes, a community discussion, or a price drop. No account needed.

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.

Helgray Skyfighter (Refurbished)

Owners widely praise the Helgray Skyfighter (Refurbished) for its handsome, sporty yet understated design, finding it versatile and good value at its price point. One owner notes the watch is in excellent condition with no marks on the case or crystal, and only minor scuffs on the caseback. However, the brand faces criticism for poor build quality, low-quality movements, and a lack of customer service. On balance, owners find the Helgray Skyfighter (Refurbished) to be a versatile and well-priced quartz chronograph, despite concerns about the brand's overall quality and service.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.