Side by side
Serket Watch Co Reef MarianavsSheffield 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
Reef Mariana40mm
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date40mm
Power Reserve
Reef Mariana—
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date—
Water Resistance
Reef Mariana200m
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date200m
MSRP
Reef Mariana$449
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date$238
Full specifications
Case
3 specsCategory
—
Diver
Thickness
13.2mm
12.8mm
Lug-to-Lug
47.5mm
46mm
Crystal & Dial
2 specsDial Color
Orange
White/Blue
Lume
BGW9
Swiss blue lume
Movement
1 specsCaliber
Seiko NH35
Seiko NH35A
Pricing
1 specsMSRP
$449
$238
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