Side by side

Serica Ref. 5303 Diving ChronometervsCitizen Garrison

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
Garrison
CitizenGarrison
MSRP $221

At a glance

15 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Garrison37mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Garrison40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Garrison100m
MSRP
Ref. 5303 Diving Chronometer$1,768
Garrison$221

Full specifications

Case

6 specs
Category
Diver
Field
Diameter
39mm
37mm
Thickness
12.2mm
12mm
Lug-to-Lug
46.5mm
46mm
Lug Width
20mm
18mm
Water Resistance
300m
100m

Crystal & Dial

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

Movement

4 specs
Caliber
M100 COSC
E101
Type
Automatic
Solar
Power Reserve
42h
40h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$221

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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.

Citizen Garrison

The Citizen Garrison is widely praised for its excellent legibility, comfortable wear, and value, with owners frequently highlighting its clean dial, good lume, and solar-powered accuracy. Some appreciate its tool-like nature and versatility as a daily watch, noting the surprisingly good build quality and strap quality for its price. Specific features like the green dial, titanium case, and the day/date complication are also frequently cited as positives. However, the day-date window is considered small by some, and the faux aged markers are a potentially divisive aesthetic choice. Opinions on size vary, with some finding the 37mm or 38mm versions ideal for hiking or smaller wrists, while others feel they look too small. On balance, owners rate the Citizen Garrison highly for its legibility and value as an inexpensive field watch.

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