Side by side

Serica Ref. 5303 Diving ChronometervsLorca MODEL No.1 GMT

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
MODEL No.1 GMT
LorcaMODEL No.1 GMT
MSRP $1,875

At a glance

15 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
MODEL No.1 GMT36mm
Power Reserve
Ref. 5303 Diving Chronometer42h
MODEL No.1 GMT40h
Water Resistance
Ref. 5303 Diving Chronometer300m
MODEL No.1 GMT200m
MSRP
Ref. 5303 Diving Chronometer$1,768
MODEL No.1 GMT$1,875

Full specifications

Case

9 specs
Category
Diver
GMT
Diameter
39mm
36mm
Thickness
12.2mm
11.2mm
Lug-to-Lug
46.5mm
44mm
Lug Width
20mm
19mm
Material
Stainless Steel
Stainless Steel 316L
Finish
Brushed and polished
Brushed + Polished
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

2 specs
AR Coating
Yes
Underside
Dial Color
Enamel Black
Black

Movement

3 specs
Caliber
M100 COSC
C125
Power Reserve
42h
40h
Complications
COSC
GMT

Pricing

1 specs
MSRP
$1,768
$1,875

Follow this matchup

Get a note when Serica Ref. 5303 Diving Chronometer vs Lorca MODEL No.1 GMT gets more votes, a community discussion, or a price drop. No account needed.

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.

Lorca MODEL No.1 GMT

Owners and reviewers widely praise the Lorca MODEL No.1 GMT for its 36mm size and 11.2mm thinness, vintage-inspired design, and crisp finishing. The champagne sunburst dial and integrated bracelet are frequently highlighted as attractive elements. Some owners note the bezel font as a detractor, and a reviewer points out the lume is insignificant. The watch uses a caller GMT movement, and one owner finds the small crown impractical to manipulate. Accuracy is reported as within +/- 4 seconds per day, and it features 20 ATM water resistance. Overall, owners and reviewers appreciate the Lorca MODEL No.1 GMT for its refined design and compact dimensions, though some question its value proposition for an emerging brand.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.