Side by side

Serica Ref. 5303 Diving ChronometervsBreitling Avenger Automatic

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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.

Breitling Avenger Automatic

The Breitling Avenger Automatic 42 is praised for its streamlined, contemporary design and robust build, with owners noting its legibility and comfortable wearability, even on smaller wrists. The watch features a clean dial, a rugged bezel for easy operation, and a bracelet with a dramatic presence. Some owners find the 42mm size to be at the upper limit of personal taste, and one owner reported a power reserve of 38 hours. Accuracy figures range from +2 seconds per day to approximately -6 seconds per day. Overall, owners rate the Breitling Avenger Automatic highly for its bold, robust aesthetic and versatile wearability.

At a glance

16 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Avenger Automatic42mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Avenger Automatic38h
Water Resistance
Ref. 5303 Diving Chronometer300m
Avenger Automatic300m
MSRP
Ref. 5303 Diving Chronometer$1,768
Avenger Automatic$4,900

Full specifications

Case

5 specs
Diameter
39mm
42mm
Thickness
12.2mm
12.15mm
Lug-to-Lug
46.5mm
22mm
Finish
Brushed and polished
Stainless steel
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Enamel Black
Indices
Applied
Lume
Super-LumiNova
None

Movement

5 specs
Caliber
M100 COSC
Breitling 17 (ETA 2824-2 base)
Beat Rate
28,800 vph
0 vph
Power Reserve
42h
38h
Jewels
25
0
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$4,900
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