Side by side

Serica Ref. 5303 Diving ChronometervsDryden Chrono Diver Gen 2

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
Chrono Diver Gen 2
DrydenChrono Diver Gen 2
MSRP $450

At a glance

16 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Chrono Diver Gen 242mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Chrono Diver Gen 240h
Water Resistance
Ref. 5303 Diving Chronometer300m
Chrono Diver Gen 2101m
MSRP
Ref. 5303 Diving Chronometer$1,768
Chrono Diver Gen 2$450

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
39mm
42mm
Thickness
12.2mm
13.5mm
Lug-to-Lug
46.5mm
49mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
101m

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Enamel Black
PVD Vintage
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
M100 COSC
Type
Automatic
Quartz
Power Reserve
42h
40h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$450

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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.

Dryden Chrono Diver Gen 2

Owners widely praise the Dryden Chrono Diver Gen 2 for its exceptional value and comfortable wearability, with particular appreciation for its refined PVD finish. The watch features a Seiko VK63 Meca-Quartz movement, improved lume, and solid bezel action, all housed in a 42mm case with recessed pushers and 100m water resistance. Some owners note the 49mm lug-to-lug may be large for smaller wrists. On balance, owners rate the Dryden Chrono Diver Gen 2 highly for its amazing value and comfortable wearability.

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