Side by side
Seestern S456 GMTvsHelgray Speedster (Racing Light Blue)
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
S456 GMT41mm
Speedster (Racing Light Blue)39mm
Power Reserve
S456 GMT41hh
Speedster (Racing Light Blue)40h
Water Resistance
S456 GMT200m
Speedster (Racing Light Blue)30m
MSRP
S456 GMT$299
Speedster (Racing Light Blue)$299
Full specifications
Case
7 specsCategory
GMT
Chronograph
Diameter
41mm
39mm
Thickness
13mm
12mm
Lug-to-Lug
49mm
46mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed + Polished
Brushed and polished
Water Resistance
200m
30m
Crystal & Dial
2 specsDial Color
Sunray style, applied and Diamond cut Indices, C1 lume
Black
Lume
C1
None
Movement
5 specsCaliber
Seiko NH34
Miyota 6S21
Beat Rate
3 vph
28,800 vph
Power Reserve
41hh
40h
Jewels
24
25
Complications
GMT
None
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