Side by side

Serica Ref. 5303 Diving ChronometervsLongines LONGINES MASTER COLLECTION

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
LONGINES MASTER COLLECTION
LonginesLONGINES MASTER COLLECTION
MSRP $2,850

At a glance

12 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
LONGINES MASTER COLLECTION38.5mm
Power Reserve
Ref. 5303 Diving Chronometer42h
LONGINES MASTER COLLECTION72h
Water Resistance
Ref. 5303 Diving Chronometer300m
LONGINES MASTER COLLECTION30m
MSRP
Ref. 5303 Diving Chronometer$1,768
LONGINES MASTER COLLECTION$2,850

Full specifications

Case

5 specs
Category
Diver
Diameter
39mm
38.5mm
Thickness
12.2mm
10.2mm
Lug-to-Lug
46.5mm
44.9mm
Water Resistance
300m
30m

Crystal & Dial

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

Movement

3 specs
Caliber
M100 COSC
L893.5
Power Reserve
42h
72h
Complications
COSC
None

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.

LONGINES MASTER COLLECTION

Owners widely praise the Longines Master Collection for its attractive designs, heritage feel, and value, with specific models highlighted for their legibility and manageable sizes. One owner finds the 40mm moonphase chronograph complete calendar mesmerizing and versatile at around $1700, while another appreciates the 38mm World Timer's looks and blue hands. A drawback noted across different models is limited water resistance, with one owner selling their watch due to this, and the World Timer disc requiring manual adjustment for daylight saving time in some areas. On balance, owners rate the Longines Master Collection highly for its aesthetic appeal and value proposition, despite some limitations in water resistance and functionality.

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