Side by side

Seiko 5KXvsStraton Straton Syncro MKII Mechanical Chrono

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

5KX
Seiko5KX
MSRP $350
Straton Syncro MKII Mechanical Chrono
StratonStraton Syncro MKII Mechanical Chrono
MSRP $599

At a glance

20 of 29 specs differ
Diameter
5KX42.5mm
Straton Syncro MKII Mechanical Chrono40mm
Power Reserve
5KX41h
Straton Syncro MKII Mechanical Chrono—
Water Resistance
5KX100m
Straton Syncro MKII Mechanical Chrono100m
MSRP
5KX$350
Straton Syncro MKII Mechanical Chrono$599

Full specifications

Case

8 specs
Category
Diver
Chronograph
Diameter
42.5mm
40mm
Thickness
13.4mm
12.4mm
Lug-to-Lug
46mm
48mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
—
Caseback
Solid
Sapphire crystal

Crystal & Dial

6 specs
Crystal
Hardlex
Sapphire
Crystal Shape
Flat
Domed
AR Coating
Inner
Underside
Dial Color
Black
—
Indices
Applied
—
Lume
LumiBrite on hands and index(es)
None

Movement

5 specs
Caliber
4R36
Seagull ST19
Type
Automatic
Manual
Beat Rate
28,800 vph
0 vph
Power Reserve
41h
0h
Jewels
24
0

Pricing

1 specs
MSRP
$350
$599

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