Side by side

Phoibos Great WallvsSeiko Prospex Sea

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

Great Wall
PhoibosGreat Wall
MSRP $465
Prospex Sea
SeikoProspex Sea
MSRP $1,100

At a glance

11 of 29 specs differ
Diameter
Great Wall42mm
Prospex Sea41.3mm
Power Reserve
Great Wall40h
Prospex Sea72h
Water Resistance
Great Wall300m
Prospex Sea300m
MSRP
Great Wall$465
Prospex Sea$1,100

Full specifications

Case

4 specs
Diameter
42mm
41.3mm
Thickness
12mm
12.5mm
Lug-to-Lug
48mm
48.2mm
Lug Width
22mm
20mm

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
$465
$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 Great Wall

The Phoibos Great Wall is widely praised by owners for its solid build quality and impressive wrist presence. Reviewers highlight the metallic 3D brick pattern on the dial as a distinctive feature. Overall, owners rate the Phoibos Great Wall highly for its robust construction and unique dial design.

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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