Side by side

Serica Ref. 5303 Diving ChronometervsStraton Vintage Driver Chrono watch

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
Vintage Driver Chrono watch
StratonVintage Driver Chrono watch
MSRP $399

At a glance

21 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Vintage Driver Chrono watch44mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Vintage Driver Chrono watch
Water Resistance
Ref. 5303 Diving Chronometer300m
Vintage Driver Chrono watch100m
MSRP
Ref. 5303 Diving Chronometer$1,768
Vintage Driver Chrono watch$399

Full specifications

Case

9 specs
Category
Diver
Chronograph
Diameter
39mm
44mm
Thickness
12.2mm
12mm
Lug-to-Lug
46.5mm
50mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
300m
100m
Caseback
Solid

Crystal & Dial

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

Movement

6 specs
Caliber
M100 COSC
VK63
Type
Automatic
Quartz
Beat Rate
28,800 vph
0 vph
Power Reserve
42h
0h
Jewels
25
0
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$399

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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.

Straton Vintage Driver Chrono watch

Owners praise the Straton Vintage Driver Chrono watch for its solid build quality and precise chronograph function, with indicators consistently hitting their indices. On balance, owners rate the Straton Vintage Driver Chrono watch highly for its solid build and reliable chronograph execution.

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