Side by side

MKII HellionvsSeestern S446 GMT

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

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Hellion
MKIIHellion
MSRP $649
S446 GMT
SeesternS446 GMT
MSRP $299
Buy from MKII ↗
Buy used on eBay ↗
Buy from Seestern ↗
Buy used on eBay ↗

At a glance

14 of 29 specs differ
Diameter
Hellion39mm
S446 GMT39.5mm
Power Reserve
Hellion—
S446 GMT41hh
Water Resistance
Hellion100m
S446 GMT100m
MSRP
Hellion$649
S446 GMT$299

Full specifications

Case

5 specs
Category
—
GMT
Diameter
39mm
39.5mm
Thickness
13.55mm
13mm
Lug-to-Lug
48.5mm
47mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

3 specs
Crystal Shape
Flat
Domed
Dial Color
Black
Cream
Lume
SuperLuminova
None

Movement

5 specs
Caliber
TMI NH38
Seiko NH34A GMT
Beat Rate
28,800 vph
3 vph
Power Reserve
—
41hh
Jewels
25
24
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$649
$299
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All alternatives to the Hellion →All alternatives to the S446 GMT →
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