Side by side
Seestern S456 GMTvsHelgray Speedster (Silver Panda)
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 (Silver Panda)39mm
Power Reserve
S456 GMT41hh
Speedster (Silver Panda)40h
Water Resistance
S456 GMT200m
Speedster (Silver Panda)30m
MSRP
S456 GMT$299
Speedster (Silver Panda)$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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