Side by side

Serica Ref. 5303 Diving ChronometervsGavox Watches Longitude

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
Longitude
Gavox WatchesLongitude
MSRP $899

At a glance

13 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Longitude39.5mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Longitude
Water Resistance
Ref. 5303 Diving Chronometer300m
Longitude200m
MSRP
Ref. 5303 Diving Chronometer$1,768
Longitude$899

Full specifications

Case

6 specs
Category
Diver
Diameter
39mm
39.5mm
Thickness
12.2mm
12.8mm
Lug-to-Lug
46.5mm
Lug Width
20mm
Water Resistance
300m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
M100 COSC
Miyota 9075
Power Reserve
42h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$899

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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.

Gavox Watches Longitude

Owners widely praise the Gavox Longitude's 39mm size, integrated bracelet, and kolsterised case, noting its amazing finishing and intricate bezel details. Reviewers highlight the watch's unique design and engineering, particularly the bracelet's facets and the dial's texture. One owner points to exceptional personal customer service from Gavox. The watch features a Miyota 9075 GMT movement with an independent hour hand and is priced at $1,118 USD. Some owners found the case blocky and the quick-release spring bars frustrating initially. On balance, owners and reviewers rate the Gavox Longitude highly for its distinctive design and excellent finishing at its price point.

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