Side by side
Sheffield 1AvsSeiko Prospex Sea 1965 Heritage Diver's Watch
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
1A40mm
Prospex Sea 1965 Heritage Diver's Watch40mm
Power Reserve
1A—
Prospex Sea 1965 Heritage Diver's Watch72h
Water Resistance
1A200m
Prospex Sea 1965 Heritage Diver's Watch300m
MSRP
1A$223
Prospex Sea 1965 Heritage Diver's Watch$1,300
Full specifications
Case
3 specsThickness
12.8mm
13mm
Lug-to-Lug
46mm
46.4mm
Water Resistance
200m
300m
Crystal & Dial
4 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
White/Blue
Black
Lume
Swiss blue lume
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Seiko NH35A
6R55
Power Reserve
—
72h
Jewels
25
24
Pricing
1 specsMSRP
$223
$1,300
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