Side by side
Seiko CouturavsStraton Straton Syncro MKII Mechanical Chrono
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
Coutura42mm
Straton Syncro MKII Mechanical Chrono40mm
Power Reserve
Coutura40h
Straton Syncro MKII Mechanical Chrono—
Water Resistance
Coutura100m
Straton Syncro MKII Mechanical Chrono100m
MSRP
Coutura$550
Straton Syncro MKII Mechanical Chrono$599
Full specifications
Case
6 specsDiameter
42mm
40mm
Thickness
11.8mm
12.4mm
Lug-to-Lug
50.2mm
48mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
—
Caseback
Solid
Sapphire crystal
Crystal & Dial
5 specsCrystal Shape
Flat
Domed
AR Coating
Inner
Underside
Dial Color
Black
—
Indices
Applied
—
Lume
LumiBrite on hands and index(es)
None
Movement
5 specsCaliber
8T63
Seagull ST19
Type
Quartz
Manual
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0
Pricing
1 specsMSRP
$550
$599
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