Side by side

Isotope HydriumvsKobold Richard E. Byrd II

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

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Hydrium
IsotopeHydrium
MSRP $1,701
See the full Hydrium
Richard E. Byrd II
KoboldRichard E. Byrd II
MSRP $750
See the full Richard E. Byrd II
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At a glance

6 of 29 specs differ
Diameter
Hydrium40mm
Richard E. Byrd II40mm
Power Reserve
Hydrium68h
Richard E. Byrd II—
Water Resistance
Hydrium300m
Richard E. Byrd II100m
MSRP
Hydrium$1,701
Richard E. Byrd II$750

Full specifications

Case

3 specs
Thickness
12.9mm
11mm
Lug Width
0mm
20mm
Water Resistance
300m
100m

Movement

2 specs
Caliber
La Joux-Perret G101
ETA 2824-2
Power Reserve
68h
0h

Pricing

1 specs
MSRP
$1,701
$750
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