Side by side

Serica Ref. 5303 Diving ChronometervsGlycine Airman 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 GMT
GlycineAirman GMT
MSRP $2,750

At a glance

18 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Airman GMT44mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Airman GMT48h
Water Resistance
Ref. 5303 Diving Chronometer300m
Airman GMT100m
MSRP
Ref. 5303 Diving Chronometer$1,768
Airman GMT$2,750

Full specifications

Case

8 specs
Category
Diver
GMT
Diameter
39mm
44mm
Thickness
12.2mm
12mm
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
Silver
Indices
Applied
Lume
Super-LumiNova
Luminous

Movement

4 specs
Caliber
M100 COSC
SW330-2
Power Reserve
42h
48h
Jewels
25
21
Complications
COSC
GMT, Date

Pricing

1 specs
MSRP
$1,768
$2,750

Follow this matchup

Get a note when Serica Ref. 5303 Diving Chronometer vs Glycine Airman GMT gets more votes, a community discussion, or a price drop. No account needed.

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 GMT

Owners widely appreciate the Glycine Airman GMT's ability to track three time zones, with some finding the 42mm size appropriate for its functionality. A reviewer notes the polished GMT hand can be difficult to read and lacks lume, while one owner reported an ETA movement with a misaligned GMT hand. Another owner finds the lume pips weaker than the hands.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.