Side by side
Boldr BlastoisevsSheffield 1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
7 of 29 specs differDiameter
Blastoise40mm
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date40mm
Power Reserve
Blastoise40h
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date—
Water Resistance
Blastoise200m
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date200m
MSRP
Blastoise$449
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date$238
Full specifications
Case
2 specsThickness
12mm
12.8mm
Lug-to-Lug
49.5mm
46mm
Crystal & Dial
2 specsDial Color
Blastoise
White/Blue
Lume
Super-LumiNova
Swiss blue lume
Movement
2 specsCaliber
Seiko (SII) NH37
Seiko NH35A
Power Reserve
40h
—
Pricing
1 specsMSRP
$449
$238
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