Side by side

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited EditionvsDOXA SUB 300

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.

DOXA SUB 300

The DOXA SUB 300 is widely praised for its wearability and vibrant color options, with reviewers noting its compelling charm and modern updates like improved lume and a meter-based bezel. Owners report the DOXA SUB 300 wears comfortably, with its cushion case and beads-of-rice bracelet contributing to a smaller perceived size. The COSC-certified ETA 2824-2 movement is noted for its accuracy, with one owner seeing it gain only +1 second in three days. However, some owners flag issues with the bracelet's end links sticking out and a sharp clasp edge, while one reviewer found the lume to be a disappointment. The polished bezel surface is also noted as prone to scratches. Overall, owners and reviewers rate the DOXA SUB 300 highly for its wearability and distinct design, despite some minor finishing concerns.

At a glance

13 of 29 specs differ
Diameter
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
SUB 30042.5mm
Power Reserve
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
SUB 30038h
Water Resistance
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
SUB 300300m
MSRP
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300
SUB 300$2,890

Full specifications

Case

5 specs
Diameter
44mm
42.5mm
Thickness
13mm
0mm
Lug-to-Lug
49.3mm
0mm
Lug Width
20mm
0mm
Water Resistance
200m
300m

Crystal & Dial

4 specs
Crystal Shape
Curved
Domed
AR Coating
Anti-reflective coating on inner surface
Yes
Dial Color
Aquamarine
Lume
LumiBrite on hands, index(es) and bezel
Super-LumiNova

Movement

3 specs
Caliber
8L35
Power Reserve
50h
38h
Jewels
26
0

Pricing

1 specs
MSRP
$3,300
$2,890
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