Side by side
Sheffield GMTvsTissot Seastar 1000 Powermatic 80 GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
GMT40mm
Seastar 1000 Powermatic 80 GMT46mm
Power Reserve
GMT—
Seastar 1000 Powermatic 80 GMT80h
Water Resistance
GMT200m
Seastar 1000 Powermatic 80 GMT300m
MSRP
GMT—
Seastar 1000 Powermatic 80 GMT$1,375
Full specifications
Case
5 specsDiameter
40mm
46mm
Thickness
13mm
15.4mm
Lug-to-Lug
48mm
46mm
Lug Width
20mm
22mm
Water Resistance
200m
300m
Crystal & Dial
5 specsCrystal Shape
Flat
Domed
AR Coating
Inner
Yes
Dial Color
Blue
Black
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®
Movement
2 specsCaliber
Seiko NH34
Powermatic 80
Power Reserve
—
80h
Pricing
1 specsMSRP
—
$1,375
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