Side by side
Seestern S456 GMTvsSheffield Deep Gray 300
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
S456 GMT41mm
Deep Gray 30042mm
Power Reserve
S456 GMT41hh
Deep Gray 30040h
Water Resistance
S456 GMT200m
Deep Gray 300300m
MSRP
S456 GMT$299
Deep Gray 300$258
Full specifications
Case
8 specsCategory
GMT
—
Diameter
41mm
42mm
Thickness
13mm
13.8mm
Lug-to-Lug
49mm
52mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed + Polished
Brushed and polished
Water Resistance
200m
300m
Crystal & Dial
2 specsDial Color
Sunray style, applied and Diamond cut Indices, C1 lume
—
Lume
C1
None
Movement
5 specsCaliber
Seiko NH34
Seiko NH35
Beat Rate
3 vph
28,800 vph
Power Reserve
41hh
40h
Jewels
24
25
Complications
GMT
None
Pricing
1 specsMSRP
$299
—
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