Side by side

Serica Ref. 5303 Diving ChronometervsGlycine Airman Contemporary GMT

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
Airman Contemporary GMT
GlycineAirman Contemporary GMT
MSRP $2,850

At a glance

17 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Airman Contemporary GMT44mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Airman Contemporary GMT48h
Water Resistance
Ref. 5303 Diving Chronometer300m
Airman Contemporary GMT100m
MSRP
Ref. 5303 Diving Chronometer$1,768
Airman Contemporary GMT$2,850

Full specifications

Case

8 specs
Category
Diver
GMT
Diameter
39mm
44mm
Thickness
12.2mm
12.4mm
Lug-to-Lug
46.5mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Water Resistance
300m
100m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Enamel Black
Blue
Indices
Applied
Lume
Super-LumiNova
Luminous

Movement

3 specs
Caliber
M100 COSC
SW330-2
Power Reserve
42h
48h
Complications
COSC
GMT, Date

Pricing

1 specs
MSRP
$1,768
$2,850

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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.

Glycine Airman Contemporary GMT

Owners widely praise the Glycine Airman Contemporary GMT for its outstanding value and attractive design, noting its ability to track three time zones and the functional dual 12-hour and 24-hour dial with a precisely toothed, free-spinning bezel that can be locked. Some owners find the GMT hand's similarity to the minute hand frustrating, and the ETA movement can exhibit a misaligned GMT hand. One owner notes the lume pips are weaker than the hands, while another highlights its 200m water resistance and considered it a great beater. Overall, owners rate the Glycine Airman Contemporary GMT highly for its unique functionality and value proposition.

From video reviewers

The case finishing and dial details are praised. The watch offers exceptional value with its Swiss Made GMT functionality for under $500.

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