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Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited EditionvsSeiko 62MAS

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 62MAS

The Seiko Prospex Sea 1965 Heritage Diver's Watch is praised for its vintage-inspired finishing, crisp bezel action, and build quality. Owners widely report the movement averages within +/- 10 seconds per day, though some note accuracy issues. The 40mm case size is considered by some to wear larger than expected, and the price point is a subject of debate, with some finding it too high and others fair. The watch features a 72-hour power reserve from the Caliber 6R55 movement, a 300-meter depth rating, and a box-shaped sapphire crystal. On balance, owners and reviewers appreciate the Seiko Prospex Sea 1965 Heritage Diver's Watch for its refined design and solid build quality, despite some reservations about its price and perceived size.

At a glance

7 of 29 specs differ
Diameter
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
62MAS40.5mm
Power Reserve
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
62MAS70h
Water Resistance
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
62MAS200m
MSRP
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300
62MAS$1,200

Full specifications

Case

3 specs
Diameter
44mm
40.5mm
Thickness
13mm
13.2mm
Lug-to-Lug
49.3mm
47.6mm

Movement

3 specs
Caliber
8L35
6R35
Power Reserve
50h
70h
Jewels
26
24

Pricing

1 specs
MSRP
$3,300
$1,200
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