Side by side

Serica Ref. 5303 Diving ChronometervsGlycine Airman Purist

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 Purist
GlycineAirman Purist
MSRP $2,700

At a glance

18 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Airman Purist42mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Airman Purist48h
Water Resistance
Ref. 5303 Diving Chronometer300m
Airman Purist100m
MSRP
Ref. 5303 Diving Chronometer$1,768
Airman Purist$2,700

Full specifications

Case

8 specs
Category
Diver
GMT
Diameter
39mm
42mm
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
Green
Indices
Applied
Lume
Super-LumiNova
Luminous

Movement

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

Pricing

1 specs
MSRP
$1,768
$2,700

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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 Purist

Owners widely praise the Glycine Airman Purist's 39mm case size as ideal, noting it wears well, while some prefer the 36mm variant. The 24-hour dial is an engaging feature that proves easy to adapt to, particularly for those familiar with 24-hour timekeeping. Readability is a point of discussion; while some contemporary models feature stealthy, difficult-to-read hands and bezels, others, especially vintage versions and the white-dial GL0376, offer good contrast and legibility. On balance, owners appreciate the Glycine Airman Purist for its comfortable wearability and unique 24-hour dial experience, despite some legibility concerns on specific configurations.

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