Side by side

Phoibos Eagle Ray DatevsSeiko Prospex Sea

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

Eagle Ray Date
PhoibosEagle Ray Date
MSRP $480
Prospex Sea
SeikoProspex Sea
MSRP $1,100

At a glance

11 of 29 specs differ
Diameter
Eagle Ray Date40mm
Prospex Sea41.3mm
Power Reserve
Eagle Ray Date40h
Prospex Sea72h
Water Resistance
Eagle Ray Date200m
Prospex Sea300m
MSRP
Eagle Ray Date$480
Prospex Sea$1,100

Full specifications

Case

4 specs
Diameter
40mm
41.3mm
Thickness
12mm
12.5mm
Lug-to-Lug
46mm
48.2mm
Water Resistance
200m
300m

Crystal & Dial

3 specs
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Green
Black
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9015
6R55
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$480
$1,100

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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 Eagle Ray Date

Owners widely praise the Phoibos Eagle Ray Date's design and value, with one owner specifically noting the attractive logo and another finding it well-made for its price. The watch features a 41mm case, a ceramic bezel, and a date window at 6 o'clock, powered by a Miyota 9015 automatic movement with a 42-hour power reserve. One owner reported receiving a non-functional unit and experiencing poor customer service. On balance, owners value the Phoibos Eagle Ray Date for its design and price point, despite a reported instance of a defective unit and customer service issues.

Seiko Prospex Sea

Seiko Prospex Sea models are widely praised for their excellent build quality, value for money, and comfortable wearability, with many appreciating the vintage-inspired designs and robust construction. Owners note the silicone straps are surprisingly comfortable and well-finished, and the Lumibrite lume is excellent. However, some find the 44.3mm size and thickness too large for smaller wrists, though others report the sizing as perfect. The 6R15 movement in some variants offers accuracy around +4 seconds per day with a 50-hour power reserve, while newer movements offer more. Some models are criticized for a bracelet width not matching the case size or a rudimentary clasp for their price point. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its impressive case work and finishing at its price point.

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