Side by side

Serica Ref. 5303 Diving ChronometervsBoldr Venture Velo

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
Venture Velo
BoldrVenture Velo
MSRP $399

At a glance

12 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Venture Velo41mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Venture Velo40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Venture Velo200m
MSRP
Ref. 5303 Diving Chronometer$1,768
Venture Velo$399

Full specifications

Case

6 specs
Category
Diver
Tool
Diameter
39mm
41mm
Thickness
12.2mm
12.5mm
Lug-to-Lug
46.5mm
46mm
Material
Stainless Steel
Titanium
Water Resistance
300m
200m

Crystal & Dial

1 specs
Dial Color
Enamel Black
Khaki

Movement

4 specs
Caliber
M100 COSC
Seiko VK64
Type
Automatic
Quartz
Power Reserve
42h
40h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$399

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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.

Boldr Venture Velo

Owners widely praise the Boldr Venture Velo for its utilitarian design, matte titanium finish, drilled lugs, and bright lume, noting its comfortable wearability and legible dial. Some owners, however, find the case design too angular and the dial too flat, with a preference for applied markers and smoother crown threads. The Boldr Venture Velo is considered well-built for its price, featuring a 38mm titanium case and 200m water resistance, although some note the basic movement and absence of a date complication. Overall, owners rate the Boldr Venture Velo highly for its durable, functional design and value at its price point.

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