Side by side

Serica Ref. 5303 Diving ChronometervsRZE Urbanist

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
Urbanist
RZEUrbanist
MSRP $299

At a glance

15 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Urbanist36mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Urbanist40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Urbanist100m
MSRP
Ref. 5303 Diving Chronometer$1,768
Urbanist$299

Full specifications

Case

7 specs
Category
Diver
Diameter
39mm
36mm
Thickness
12.2mm
11mm
Lug-to-Lug
46.5mm
42mm
Lug Width
20mm
18mm
Material
Stainless Steel
Grade 5 Titanium
Water Resistance
300m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Underside
Dial Color
Enamel Black
Blue
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
M100 COSC
Miyota 2035
Type
Automatic
Quartz
Power Reserve
42h
40h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$299

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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.

RZE Urbanist

The RZE Urbanist is widely praised as a fantastic, lightweight, "grab and go" everyday watch. Owners highlight its durable titanium case with scratch-resistant coatings and sapphire crystal. The solar movement is noted for keeping good time and is guaranteed for life. Production models feature a push-in crown, a change from earlier screw-down versions. Overall, owners rate the RZE Urbanist highly for its durable, lightweight titanium construction and reliable solar movement.

From video reviewers

The RZE Urbanist features a Japanese movement for accurate timekeeping and reliable performance. The watch's lume brightness is a shared weakness, with both reviewers noting it could be improved. Reviewers disagree on the watch's value, with one reviewer considering it a 'great value' for the price, while the other highlights its solar power feature as a significant strength.

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