Side by side

Hamilton Khaki Navy Scuba AutovsSerica Réf. 5303

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

What people say

Owners + reviewers, side by side

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

Hamilton Khaki Navy Scuba Auto

Owners and reviewers widely praise the Hamilton Khaki Navy Scuba Auto for its exceptional value, robust construction, and distinctive dial designs, with many highlighting the 80-hour power reserve provided by the H-10 movement. The watch is frequently noted for its utilitarian dial, legible lume, and tactile bezel action. However, the 43mm case size is a recurring point of contention, with several sources deeming it large for everyday wear, though some owners find it comfortable and appreciate its substantial feel. One reviewer points out that the steel bracelet could benefit from a taper and a quick-adjust clasp, and another notes the unlumed bezel pip as a minor area for improvement. Overall, the Hamilton Khaki Navy Scuba Auto is highly regarded by owners and reviewers for its strong value and appealing tool-watch aesthetic, with the 43mm case size being the most significant consideration for potential buyers.

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

9 of 29 specs differ
Diameter
Khaki Navy Scuba Auto40mm
Réf. 530339mm
Power Reserve
Khaki Navy Scuba Auto80h
Réf. 530342h
Water Resistance
Khaki Navy Scuba Auto100m
Réf. 5303300m
MSRP
Khaki Navy Scuba Auto$975
Réf. 5303$1,857

Full specifications

Case

5 specs
Category
Diver
Diameter
40mm
39mm
Thickness
12.95mm
12.2mm
Lug-to-Lug
0mm
46.5mm
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Black

Movement

2 specs
Caliber
H-10
Soprod M100
Power Reserve
80h
42h

Pricing

1 specs
MSRP
$975
$1,857
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