Side by side

Boldr Expedition IIvsSerica Réf. 5303

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

Expedition II
BoldrExpedition II
MSRP $699
Réf. 5303
SericaRéf. 5303
MSRP $1,857
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Boldr Expedition II

Owners widely praise the Boldr Expedition II for its tool watch utility, legible dials, and bead-blasted finish, with many finding its 41mm size ideal for daily wear and comfortable on various wrists. Reviewers and owners alike highlight its excellent value, well-executed details, and the functional design of its knurled crown. Some owners note the dial color can appear creamier than expected online, and one reviewer found the stock rubber strap to be a minor criticism. The Sellita SW200 movement and domed sapphire crystal are also noted as positive features. On balance, owners and reviewers rate the Boldr Expedition II highly for its functional field watch design and excellent value.

From video reviewers

The Boldr Expedition II's solid construction and reliability are notable strengths. A weakness is the potential for dim lume brightness, as the entire dial is fully covered in lume but the reviewer's assessment implies it might be inadequate.

Serica Réf. 5303

Owners widely praise the Serica Réf. 5303 for its unique neo-vintage design, sophisticated aesthetics, and excellent finishing, with many highlighting the smooth winding action and the tactile quality of the bezel click as industry-benchmark. The 39mm case is frequently cited as well-proportioned and wearable, especially for smaller wrists. Accuracy figures vary, with one owner reporting +2 seconds per day and another +5.5 seconds per day, while the 42-hour power reserve was noted as a point of desire for longer duration. Some owners have reported significant quality control issues, including dial shifting, non-functional hacking, and misaligned or jammed bezels, with concerns also raised about the Soprod movement and the manufacturer's communication. Overall, owners rate the Serica Réf. 5303 highly for its distinctive design and refined finishing, despite some significant quality control concerns raised by a few.

At a glance

11 of 29 specs differ
Diameter
Expedition II41mm
Réf. 530339mm
Power Reserve
Expedition II38h
Réf. 530342h
Water Resistance
Expedition II200m
Réf. 5303300m
MSRP
Expedition II$699
Réf. 5303$1,857

Full specifications

Case

5 specs
Category
Tool
Diameter
41mm
39mm
Thickness
14mm
12.2mm
Lug-to-Lug
48mm
46.5mm
Water Resistance
200m
300m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
I Eiger
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW200-1
Soprod M100
Power Reserve
38h
42h

Pricing

1 specs
MSRP
$699
$1,857
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