Side by side

Archimede Watches Pilot 39vsSeiko Prospex Sea

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

Pilot 39
Archimede WatchesPilot 39
MSRP $924
Prospex Sea
SeikoProspex Sea
MSRP $900
What people say

Owners + reviewers, side by side

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

Archimede Watches Pilot 39

Archimede Watches Pilot 39 owners praise its clean design, craftsmanship, and value, with the 39mm case size noted as suitable for smaller wrists. One owner reported a unit stopped keeping time within months and experienced poor customer service regarding warranty. Accuracy varies, with one owner noting +10 seconds per day, while another prefers the utilitarian look of the flat crystal and the patina potential of bronze on the 39H Bronze variant. Overall, owners rate the Archimede Watches Pilot 39 highly for its unpretentious pilot watch design and strong value proposition.

Seiko Prospex Sea

Owners widely praise the Seiko Prospex Sea for its excellent lume, robust build, and value, with many highlighting the comfortable 4 o'clock crown and reliable movements. Reviewers note impressive case finishing and attractive dials, with specific models lauded for their gradient blue designs and smooth bezel actions. Accuracy figures vary, with one owner reporting +9 seconds/day after demagnetization, while others find the watches to be good first "proper" watches. Some owners find the stock rubber straps uncomfortable or the overall size substantial on smaller wrists. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its combination of strong dive watch functionality and appealing design at its price point.

At a glance

14 of 29 specs differ
Diameter
Pilot 3939mm
Prospex Sea41mm
Power Reserve
Pilot 39
Prospex Sea70h
Water Resistance
Pilot 39100m
Prospex Sea200m
MSRP
Pilot 39$924
Prospex Sea$900

Full specifications

Case

6 specs
Category
Diver
Diameter
39mm
41mm
Thickness
11.4mm
12.3mm
Lug-to-Lug
45mm
46.9mm
Lug Width
20mm
Water Resistance
100m
200m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
ETA 2824-2
6R35
Power Reserve
70h
Jewels
25
24

Pricing

1 specs
MSRP
$924
$900
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