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

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

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.

Seiko Prospex Sea

Seiko Prospex Sea models are widely praised for their excellent build quality, value for money, and comfortable wearability, with many appreciating the vintage-inspired designs and robust construction. Owners note the silicone straps are surprisingly comfortable and well-finished, and the Lumibrite lume is excellent. However, some find the 44.3mm size and thickness too large for smaller wrists, though others report the sizing as perfect. The 6R15 movement in some variants offers accuracy around +4 seconds per day with a 50-hour power reserve, while newer movements offer more. Some models are criticized for a bracelet width not matching the case size or a rudimentary clasp for their price point. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its impressive case work and finishing at its price point.

At a glance

9 of 29 specs differ
Diameter
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Prospex Sea41.3mm
Power Reserve
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Prospex Sea72h
Water Resistance
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
Prospex Sea300m
MSRP
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300
Prospex Sea$1,100

Full specifications

Case

4 specs
Diameter
44mm
41.3mm
Thickness
13mm
12.5mm
Lug-to-Lug
49.3mm
48.2mm
Water Resistance
200m
300m

Crystal & Dial

1 specs
Crystal Shape
Curved
Flat

Movement

3 specs
Caliber
8L35
6R55
Power Reserve
50h
72h
Jewels
26
24

Pricing

1 specs
MSRP
$3,300
$1,100
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