Side by side

Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited EditionvsPhoibos Great Wall

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

Great Wall
PhoibosGreat Wall
MSRP $465

At a glance

12 of 29 specs differ
Diameter
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition42.6mm
Great Wall42mm
Power Reserve
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition72h
Great Wall40h
Water Resistance
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition300m
Great Wall300m
MSRP
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition$3,900
Great Wall$465

Full specifications

Case

4 specs
Diameter
42.6mm
42mm
Thickness
14.1mm
12mm
Lug-to-Lug
49.3mm
48mm
Lug Width
20mm
22mm

Crystal & Dial

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

Movement

3 specs
Caliber
8L45
Miyota 9015
Power Reserve
72h
40h
Jewels
35
25

Pricing

1 specs
MSRP
$3,900
$465

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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.

Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition is praised for its distinctive blue sea ice-inspired dial with a gradient effect and textured finish, celebrating its partnership with JAMSTEC. It is powered by the automatic Calibre 8L45 movement, which provides a 72-hour power reserve. The watch features a 42.6mm stainless steel case with a super-hard coating, a ceramic bezel, and a dual-curved sapphire crystal, offering 300m water resistance. Accuracy is rated between -5/+10 seconds per day. Overall, reviewers highlight the unique dial design and robust specifications as key strengths of the Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition.

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.

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