Side by side

Serica Ref. 5303 Diving ChronometervsFormex Essence FortyOne

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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.

Formex Essence FortyOne

Owners widely praise the Formex Essence for its comfortable bracelet, excellent finishing, and slim wearability, with some considering it the best in its price range. Reviewers highlight its compelling value, sporty-chic aesthetic, and build quality that suggests a more expensive product, noting the patented suspension system and chronometer-certified movement. Some owners dislike the brand name and logo, and the dial design is considered derivative by some. The 43mm case wears well due to its 10mm thickness and 49mm lug-to-lug, though some find it large on smaller wrists. A point of contention for some is the non-screw-down crown, despite its 100m water resistance. Overall, owners and reviewers rate the Formex Essence highly for its exceptional comfort and build quality at its price point.

At a glance

11 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Essence FortyOne41mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Essence FortyOne41h
Water Resistance
Ref. 5303 Diving Chronometer300m
Essence FortyOne100m
MSRP
Ref. 5303 Diving Chronometer$1,768
Essence FortyOne$1,890

Full specifications

Case

5 specs
Category
Diver
Dress
Diameter
39mm
41mm
Thickness
12.2mm
10.6mm
Lug Width
0mm
22mm
Water Resistance
300m
100m

Crystal & Dial

2 specs
AR Coating
Yes
Dial Color
Enamel Black
Arctic White

Movement

3 specs
Caliber
Soprod M100
Sellita SW200-1
Power Reserve
42h
41h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$1,890
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