Side by side

Phoibos Eagle Ray DatevsSeiko Prospex Sea 1968 Heritage Diver's GMT

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 1968 Heritage Diver's GMT
SeikoProspex Sea 1968 Heritage Diver's GMT
MSRP $1,500

At a glance

10 of 29 specs differ
Diameter
Eagle Ray Date40mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
Eagle Ray Date40h
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
Eagle Ray Date200m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
Eagle Ray Date$480
Prospex Sea 1968 Heritage Diver's GMT$1,500

Full specifications

Case

3 specs
Diameter
40mm
42mm
Thickness
12mm
12.9mm
Lug-to-Lug
46mm
48.6mm

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
6R54
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$480
$1,500

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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 1968 Heritage Diver's GMT

The Seiko Prospex Sea 1968 Heritage Diver's GMT is widely praised for its build quality, finishing, and comfortable wearability, offering good value for its price point. Owners and reviewers highlight the attractive silver/white sunray dial, blue ceramic bezel, and the premium feel of the improved bracelet clasp with excellent micro-adjustment. The Caliber 6R54 movement provides a 72-hour power reserve, and real-world accuracy often exceeds its stated range of +25 to -15 seconds per day, with some owners reporting figures around +3 to +5 seconds per day. However, the caller-style GMT functionality is a point of contention for some, who find the GMT scale difficult to read and prefer a flyer GMT at this price. Some also find the crown position at 4 o'clock undesirable, and a few note a lack of dial contrast or illegibility of the inner bezel.

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