Side by side

Serica Ref. 5303 Diving ChronometervsYema Flygraf Navigator

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
Flygraf Navigator
YemaFlygraf Navigator
MSRP $1,199

At a glance

13 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Flygraf Navigator40mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Flygraf Navigator40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Flygraf Navigator100m
MSRP
Ref. 5303 Diving Chronometer$1,768
Flygraf Navigator$1,199

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
39mm
40mm
Thickness
12.2mm
13.9mm
Lug-to-Lug
46.5mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
M100 COSC
Power Reserve
42h
40h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$1,199

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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.

Yema Flygraf Navigator

Owners widely praise the Yema Flygraf Navigator's value and attractive design. However, community members express concerns regarding quality control and customer service, with one owner advising against purchase due to these issues. The in-house MBP1000 movement is noted as a mix of components, and one owner doubts its long-term reliability. On balance, owners find the Yema Flygraf Navigator a nice-looking watch with good value, but significant concerns exist around quality control and customer service.

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