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Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's WatchvsSynchron Poseidon Ice Diver

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

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Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch
SeikoProspex Marinemaster Marinemaster 1968 Heritage Diver's Watch
MSRP $2,900
Poseidon Ice Diver
SynchronPoseidon Ice Diver
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At a glance

13 of 29 specs differ
Diameter
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm
Poseidon Ice Diver42mm
Power Reserve
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch50h
Poseidon Ice Diver68h
Water Resistance
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m
Poseidon Ice Diver300m
MSRP
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$2,900
Poseidon Ice Diver—

Full specifications

Case

5 specs
Category
Diver
—
Diameter
42.6mm
42mm
Thickness
13.4mm
12.5mm
Lug-to-Lug
49.3mm
45mm
Lug Width
20mm
—

Crystal & Dial

4 specs
Crystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
—
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
8L35
LJP G100
Power Reserve
50h
68h
Jewels
26
25

Pricing

1 specs
MSRP
$2,900
—
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