Side by side
Northern Star Watch SentinelvsSeestern S446 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
Sentinel40.5mm
S446 GMT39.5mm
Power Reserve
Sentinel42h
S446 GMT41hh
Water Resistance
Sentinel50m
S446 GMT100m
MSRP
Sentinel$649
S446 GMT$299
Full specifications
Case
7 specsCategory
—
GMT
Diameter
40.5mm
39.5mm
Thickness
10.1mm
13mm
Lug-to-Lug
43.72mm
47mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
100m
Crystal & Dial
2 specsCrystal Shape
Flat
Domed
Dial Color
White
Cream
Movement
5 specsCaliber
Miyota 90S5
Seiko NH34A GMT
Beat Rate
28,800 vph
3 vph
Power Reserve
42h
41hh
Jewels
25
24
Complications
None
GMT, Date
Pricing
1 specsMSRP
$649
$299
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when Northern Star Watch Sentinel vs Seestern S446 GMT gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Northern Star Watch Icy SentinelvsSeestern S446 GMTNorthern Star Watch Dark KnightvsSeestern S446 GMTSeestern S446 GMTvsVesuviate Watches AttivoFears Alliance 01 (Burgundy)vsSeestern S446 GMTNorthern Star Watch SentinelvsGruppo Gamma Field III GMT DateNorthern Star Watch SentinelvsTraska Venturer GMT