Side by side

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited EditionvsZelos Skyraider 40 Skeleton

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Skyraider 40 Skeleton
ZelosSkyraider 40 Skeleton
MSRP $1,999

At a glance

15 of 29 specs differ
Diameter
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Skyraider 40 Skeleton40mm
Power Reserve
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Skyraider 40 Skeleton40h
Water Resistance
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
Skyraider 40 Skeleton50m
MSRP
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300
Skyraider 40 Skeleton$1,999

Full specifications

Case

6 specs
Category
Diver
Skeleton
Diameter
44mm
40mm
Thickness
13mm
8.2mm
Lug-to-Lug
49.3mm
40mm
Material
Stainless Steel
Titanium
Water Resistance
200m
50m

Crystal & Dial

4 specs
Crystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Ti Damascus LE
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

4 specs
Caliber
8L35
Swiss Skeletonised Marvin 700
Type
Automatic
Manual
Power Reserve
50h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$3,300
$1,999

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

Owners widely praise the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition for its attractive, well-made design and gorgeous dial, noting its jewel-toned teal color and rippling-water pattern. The bezel action is smooth with a muted sound, and the case and bracelet offer a more comfortable feel than previous iterations. However, multiple owners express disappointment with the accuracy of the 6R movement at its price point, with some noting theirs runs slow, and consider the price too high. The steep rehaut and marker size make the 24-hour numbers difficult to read, and some find the case design makes the watch feel top-heavy despite wearing smaller. Overall, owners rate the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition highly for its striking dial and refined case design, despite concerns regarding movement accuracy at its price.

Zelos Skyraider 40 Skeleton

The Zelos Skyraider 40 Skeleton is noted for its skeletonized dial and the use of BGW9 and C3 Super-LumiNova for legibility. It is powered by a manual-wind ETA 6498 movement, offering a 44-hour power reserve. On balance, the Zelos Skyraider 40 Skeleton is seen as a cool-looking option, though availability is a factor.

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