Side by side

Serica Ref. 5303 Diving ChronometervsMarloe Watch Company Coniston Auto

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
Coniston Auto
Marloe Watch CompanyConiston Auto
MSRP $507

At a glance

12 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Coniston Auto41mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Coniston Auto40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Coniston Auto100m
MSRP
Ref. 5303 Diving Chronometer$1,768
Coniston Auto$507

Full specifications

Case

5 specs
Category
Diver
Sport
Diameter
39mm
41mm
Thickness
12.2mm
11.1mm
Lug-to-Lug
46.5mm
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Enamel Black
Lume
Super-LumiNova
Natulite

Movement

4 specs
Caliber
M100 COSC
Miyota 8N24
Power Reserve
42h
40h
Jewels
25
21
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$507

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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.

Marloe Watch Company Coniston Auto

Owners widely praise the Marloe Coniston Auto's unique design, layered dial, applied indices, and skeleton handset, with one owner noting its pleasing caseback and versatility as an everyday watch. The comfortable orange silicone strap is a favorite, and the overall presentation and packaging are considered excellent. Accuracy from the Miyota 8N24 movement ranges from +-10-20 seconds per day, which some find not ideal for a daily wearer, and the BGW9 lume is noted as less enduring than on other models. One owner dislikes the "WATCH COMPANY" text on the dial. On balance, owners rate the Marloe Coniston Auto highly for its visually pleasing and well-built design at its price point.

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