Side by side
Sheffield 1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no datevsSpinnaker Spence 300
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date40mm
Spence 30040mm
Power Reserve
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date—
Spence 30040h
Water Resistance
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date200m
Spence 300300m
MSRP
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date$238
Spence 300$650
Full specifications
Case
4 specsThickness
12.8mm
11.5mm
Lug-to-Lug
46mm
48mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
300m
Crystal & Dial
2 specsDial Color
White/Blue
Aquamarine
Lume
Swiss blue lume
None
Movement
2 specsCaliber
Seiko NH35A
SII NH35A
Power Reserve
—
40h
Pricing
1 specsMSRP
$238
$650
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