Side by side

Serica Ref. 5303 Diving ChronometervsLongines ELEGANT 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
ELEGANT COLLECTION
LonginesELEGANT COLLECTION
MSRP $2,600

At a glance

18 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
ELEGANT COLLECTION39mm
Power Reserve
Ref. 5303 Diving Chronometer42h
ELEGANT COLLECTION72h
Water Resistance
Ref. 5303 Diving Chronometer300m
ELEGANT COLLECTION30m
MSRP
Ref. 5303 Diving Chronometer$1,768
ELEGANT COLLECTION$2,600

Full specifications

Case

6 specs
Category
Diver
Dress
Thickness
12.2mm
8.6mm
Lug-to-Lug
46.5mm
44mm
Finish
Brushed and polished
Water Resistance
300m
30m
Caseback
Solid
Transparent case back with sapphire crystal

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Enamel Black
Blue
Indices
Applied
Diamond indexes

Movement

7 specs
Caliber
M100 COSC
L888.5
Beat Rate
28,800 vph
25,200 vph
Power Reserve
42h
72h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
COSC
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$1,768
$2,600

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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 ELEGANT COLLECTION

The Longines Elegant Collection is widely praised for its value and traditional styling, offering versatility for both casual and formal wear. Owners note its elegant appearance can be suitable for any occasion. However, some find its thickness and hand color potentially confusing, with polished hands sometimes difficult to read in certain light. On balance, owners rate the Longines Elegant Collection highly for its value and timeless design.

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