Side by side
Sangin Instruments Hydra IIvsSeiko Prospex Sea 1968 Heritage Diver's GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
Hydra II43mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
Hydra II—
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
Hydra II300m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
Hydra II$1,795
Prospex Sea 1968 Heritage Diver's GMT$1,500
Full specifications
Case
7 specsCategory
—
Diver
Diameter
43mm
42mm
Thickness
0mm
12.9mm
Lug-to-Lug
0mm
48.6mm
Lug Width
0mm
20mm
Material
—
Stainless Steel
Water Resistance
300m
200m
Crystal & Dial
4 specsCrystal
—
Sapphire
AR Coating
—
Anti-reflective coating on inner surface
Dial Color
Polar White
—
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Automatic (La Joux-Perret G100)
6R54
Power Reserve
0h
72h
Jewels
0
24
Pricing
1 specsMSRP
$1,795
$1,500
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