Side by side

Seestern S456 GMTvsStewart Dawson Royal Marines

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

S456 GMT
SeesternS456 GMT
MSRP $299
Royal Marines
Stewart DawsonRoyal Marines
MSRP $1,451

At a glance

16 of 29 specs differ
Diameter
S456 GMT41mm
Royal Marines42mm
Power Reserve
S456 GMT41hh
Royal Marines41h
Water Resistance
S456 GMT200m
Royal Marines100m
MSRP
S456 GMT$299
Royal Marines$1,451

Full specifications

Case

8 specs
Category
GMT
Diameter
41mm
42mm
Thickness
13mm
12.5mm
Lug-to-Lug
49mm
48mm
Lug Width
20mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed + Polished
Brushed and polished
Water Resistance
200m
100m

Crystal & Dial

2 specs
Dial Color
Sunray style, applied and Diamond cut Indices, C1 lume
Green
Lume
C1
Super-LumiNova

Movement

5 specs
Caliber
Seiko NH34
Sellita SW200
Beat Rate
3 vph
28,800 vph
Power Reserve
41hh
41h
Jewels
24
25
Complications
GMT
None

Pricing

1 specs
MSRP
$299
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