Side by side
Cronos Sea Master Diver 41mmvsSeiko 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
18 of 29 specs differDiameter
Sea Master Diver 41mm41mm
Prospex Sea 1965 Heritage Diver's Watch40mm
Power Reserve
Sea Master Diver 41mm—
Prospex Sea 1965 Heritage Diver's Watch72h
Water Resistance
Sea Master Diver 41mm200m
Prospex Sea 1965 Heritage Diver's Watch300m
MSRP
Sea Master Diver 41mm$165
Prospex Sea 1965 Heritage Diver's Watch$1,300
Full specifications
Case
7 specsDiameter
41mm
40mm
Thickness
12.7mm
13mm
Lug-to-Lug
47mm
46.4mm
Lug Width
—
20mm
Material
316L Stainless Steel
Stainless Steel
Finish
316L stainless steel
—
Water Resistance
200m
300m
Crystal & Dial
4 specsCrystal
—
Sapphire
Crystal Shape
—
Curved
AR Coating
—
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
6 specsCaliber
—
Seiko 6R55
Type
—
Automatic
Power Reserve
0h
72h
Jewels
0
24
Hacking
Yes
No
Hand-winding
Yes
No
Pricing
1 specsMSRP
$165
$1,300
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