Side by side

MKII Project 300vsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch

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

Project 300
MKIIProject 300
MSRP $1,995

At a glance

11 of 29 specs differ
Diameter
Project 30041.25mm
Prospex Sea 1968 Heritage Diver's GMT Watch42mm
Power Reserve
Project 300
Prospex Sea 1968 Heritage Diver's GMT Watch72h
Water Resistance
Project 300300m
Prospex Sea 1968 Heritage Diver's GMT Watch300m
MSRP
Project 300$1,995
Prospex Sea 1968 Heritage Diver's GMT Watch$1,700

Full specifications

Case

4 specs
Category
Diver
Diameter
41.25mm
42mm
Thickness
13.45mm
13.3mm
Lug-to-Lug
48.6mm

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
ETA 2824-2
6R54
Power Reserve
72h
Jewels
25
24

Pricing

1 specs
MSRP
$1,995
$1,700
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