Side by side

Serica Ref. 5303 Diving ChronometervsOrient Stretto Day & Night

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
Stretto Day & Night
OrientStretto Day & Night
MSRP $420

At a glance

16 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Stretto Day & Night41.5mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Stretto Day & Night40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Stretto Day & Night50m
MSRP
Ref. 5303 Diving Chronometer$1,768
Stretto Day & Night$420

Full specifications

Case

7 specs
Category
Diver
Diameter
39mm
41.5mm
Thickness
12.2mm
13mm
Lug-to-Lug
46.5mm
48mm
Lug Width
20mm
22mm
Water Resistance
300m
50m
Caseback
Solid
Display

Crystal & Dial

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

Movement

5 specs
Caliber
M100 COSC
F6B24
Beat Rate
28,800 vph
21,600 vph
Power Reserve
42h
40h
Jewels
25
22
Complications
COSC
GMT, Day-date

Pricing

1 specs
MSRP
$1,768
$420

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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.

Orient Stretto Day & Night

Owners widely describe the Orient Stretto Day & Night as sharp-looking and a beautiful, clean piece, with some appreciating its limited edition status and value around $160. One owner found it disappointing in person, deeming it a "children watch" with a noisy strap, while another user suggested it is "cute for a night out." Some enthusiasts are curious about the Stretto line, seeing it as a contemporary counterpart to the Bambino, though some are hesitant about the 38mm case size.

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