Side by side

Serica Ref. 5303 Diving ChronometervsCincinnati Watch Company Desk Diver

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
Desk Diver
Cincinnati Watch CompanyDesk Diver
MSRP $750

At a glance

20 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Desk Diver36mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Desk Diver45h
Water Resistance
Ref. 5303 Diving Chronometer300m
Desk Diver50m
MSRP
Ref. 5303 Diving Chronometer$1,768
Desk Diver$750

Full specifications

Case

8 specs
Diameter
39mm
36mm
Thickness
12.2mm
0mm
Lug-to-Lug
46.5mm
0mm
Lug Width
20mm
0mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
300m
50m
Caseback
Solid

Crystal & Dial

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

Movement

6 specs
Caliber
M100 COSC
Sellita SW210
Type
Automatic
Manual
Beat Rate
28,800 vph
0 vph
Power Reserve
42h
45h
Jewels
25
18
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$750

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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.

Cincinnati Watch Company Desk Diver

The Cincinnati Watch Company Desk Diver is a 40mm hand-wind watch with a black dial, acrylic crystal, and FKM rubber strap, powered by a Sellita SW210 manual wind movement. Owners report the watch gained one second per day, and it comes with a QC and timing report. Some find the Desk Diver a unique novelty, though many consider its $1500 price too high. The watch has 0 meters of water resistance, and its vintage case may show small marks. Overall, owners rate the Cincinnati Watch Company Desk Diver as a unique novelty, with the primary reservation being its high price for its perceived playful nature.

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