Side by side
Seestern S446 GMTvsStewart Dawson Royal Marines
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
S446 GMT39.5mm
Royal Marines42mm
Power Reserve
S446 GMT41hh
Royal Marines41h
Water Resistance
S446 GMT100m
Royal Marines100m
MSRP
S446 GMT$299
Royal Marines$1,451
Full specifications
Case
6 specsCategory
GMT
—
Diameter
39.5mm
42mm
Thickness
13mm
12.5mm
Lug-to-Lug
47mm
48mm
Lug Width
20mm
—
Material
316L Stainless Steel
Stainless Steel
Crystal & Dial
3 specsCrystal Shape
Domed
Flat
Dial Color
Cream
Green
Lume
None
Super-LumiNova
Movement
5 specsCaliber
Seiko NH34A GMT
Sellita SW200
Beat Rate
3 vph
28,800 vph
Power Reserve
41hh
41h
Jewels
24
25
Complications
GMT, Date
None
Pricing
1 specsMSRP
$299
—
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