Side by side

Phoibos Eagle Ray DatevsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

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

Eagle Ray Date
PhoibosEagle Ray Date
MSRP $480

At a glance

11 of 29 specs differ
Diameter
Eagle Ray Date40mm
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Power Reserve
Eagle Ray Date40h
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Water Resistance
Eagle Ray Date200m
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
MSRP
Eagle Ray Date$480
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

3 specs
Diameter
40mm
44mm
Thickness
12mm
13mm
Lug-to-Lug
46mm
49.3mm

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
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
8L35
Power Reserve
40h
50h
Jewels
25
26

Pricing

1 specs
MSRP
$480
$3,300

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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 1970 Heritage Diver's Black Series Limited Edition

Owners widely praise the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition for its attractive, well-made design and gorgeous dial, noting its jewel-toned teal color and rippling-water pattern. The bezel action is smooth with a muted sound, and the case and bracelet offer a more comfortable feel than previous iterations. However, multiple owners express disappointment with the accuracy of the 6R movement at its price point, with some noting theirs runs slow, and consider the price too high. The steep rehaut and marker size make the 24-hour numbers difficult to read, and some find the case design makes the watch feel top-heavy despite wearing smaller. Overall, owners rate the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition highly for its striking dial and refined case design, despite concerns regarding movement accuracy at its price.

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