Side by side

Phoibos ArgovsSeiko Prospex Sea

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

Argo
PhoibosArgo
MSRP $345
Prospex Sea
SeikoProspex Sea
MSRP $625

At a glance

10 of 29 specs differ
Diameter
Argo40.5mm
Prospex Sea43.8mm
Power Reserve
Argo40h
Prospex Sea41h
Water Resistance
Argo200m
Prospex Sea200m
MSRP
Argo$345
Prospex Sea$625

Full specifications

Case

4 specs
Diameter
40.5mm
43.8mm
Thickness
12.5mm
12.8mm
Lug-to-Lug
48mm
48.7mm
Lug Width
20mm
22mm

Crystal & Dial

2 specs
AR Coating
Yes
Anti-reflective coating on inner surface
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
SII NH35
4R35
Power Reserve
40h
41h
Jewels
25
23

Pricing

1 specs
MSRP
$345
$625

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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.

Phoibos Argo

Owners widely praise the Phoibos Argo for its appealing design and color combinations, with one owner highlighting the bronze patina development as a unique characteristic. The Miyota 9015 movement is noted for its precision, and the included strap is considered a comfortable fit, particularly for narrower wrists. On balance, owners view the Phoibos Argo as a wearable piece of art and a great watch for personal enjoyment.

Seiko Prospex Sea

The Seiko Prospex Sea is widely praised for its excellent value, solid build quality, and comfortable wearability, with many models featuring impressive lume and attractive dials. Owners and reviewers highlight the modern upgrades on classic designs, such as drilled lugs and reliable movements with hacking and hand-winding capabilities. Some models are noted for their refined case finishing and scratch resistance. Accuracy figures vary, with one owner reporting approximately 4 seconds fast per day, while others find the movements offer good performance for the price. Concerns raised by owners and reviewers include clasps that can feel generic or cheap, and lug widths that some find disproportionate to the case size on certain models. The thickness and weight of some Prospex Sea watches are also noted as substantial. The GMT function on specific models is considered secondary and difficult to read for true travel purposes.

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