Side by side

Serica Réf. 5303vsTornek-Rayville CISO M38 Field

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

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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 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.

From video reviewers

The COSC and Grand Chronomètre Serica® certifications are a significant strength. No shared weaknesses were identified.

Tornek-Rayville CISO M38 Field

Owners widely report the Tornek-Rayville CISO M38 Field offers high overall quality with a comfortable bracelet featuring single-sided screw links. The watch exhibits minimal wear, with only hairline scratches and a faint, difficult-to-photograph bezel mark. On balance, owners value the Tornek-Rayville CISO M38 Field for its robust build and comfortable wearability.

At a glance

10 of 29 specs differ
Diameter
Réf. 530339mm
CISO M38 Field38mm
Power Reserve
Réf. 530342h
CISO M38 Field42h
Water Resistance
Réf. 5303300m
CISO M38 Field100m
MSRP
Réf. 5303$1,857
CISO M38 Field$695

Full specifications

Case

5 specs
Category
Diameter
39mm
38mm
Thickness
12.2mm
12.45mm
Lug-to-Lug
46.5mm
43.6mm
Water Resistance
300m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Dial Color
Lume
None
Superluminova

Movement

1 specs
Caliber
Soprod M100
Seiko NH36

Pricing

1 specs
MSRP
$1,857
$695
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