Side by side
Sheffield 1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no datevsTissot Seastar 1000
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date40mm
Seastar 100040mm
Power Reserve
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date—
Seastar 100080h
Water Resistance
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date200m
Seastar 1000300m
MSRP
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date$238
Seastar 1000$875
Full specifications
Case
3 specsThickness
12.8mm
12.48mm
Lug-to-Lug
46mm
40mm
Water Resistance
200m
300m
Crystal & Dial
4 specsAR Coating
Inner
Yes
Dial Color
White/Blue
Graded grey-black
Indices
Applied
Indexes
Lume
Swiss blue lume
Super-LumiNova ®
Movement
2 specsCaliber
Seiko NH35A
Powermatic 80
Power Reserve
—
80h
Pricing
1 specsMSRP
$238
$875
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