Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited EditionvsSquale Matic

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

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

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

Squale Matic at true scale

Matic

Diameter

44mm

44mm

Lug-to-Lug

49.3mm

lowest

51mm

Thickness

13mm

lowest

16mm

Water Resistance

200m

600m

highest

Power Reserve

50h

highest

38h

MSRP

$3,300

$1,595

lowest

Movement

Seiko 8L35

Sellita SW200-1

Case

5 specs
Thickness
13mm
16mm
Lug-to-Lug
49.3mm
51mm
Lug Width
20mm
22mm
Material
Stainless Steel
Steel
Water Resistance
200m
600m

Crystal & Dial

3 specs
Crystal Shape
Curved
n/a
AR Coating
Anti-reflective coating on inner surface
n/a
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
Seiko 8L35
Sellita SW200-1
Power Reserve
50h
38h
Jewels
26
0

Pricing

1 specs
MSRP
$3,300
$1,595
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Reviews

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 dial with a jewel-toned teal color and rippling-water pattern, and its smooth bezel action. Some owners find it a refined evolution of previous models with a comfortable case and bracelet. However, a significant number of owners express disappointment with the accuracy of the 6R movement at its price point, with some noting it runs slow. The steep rehaut and marker size make the 24-hour numbers difficult to read, and the case design is described as making the watch feel top-heavy. On balance, owners rate the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition highly for its striking dial and refined design, despite widespread concerns about the movement's accuracy for the price.

Squale Matic

Owners widely praise the Squale Matic for its superb finishing and comfortable wearability, with many noting its vintage-inspired design and the 4 o'clock crown contributing to a compact feel on the wrist despite its 44mm size. Reviewers highlight the outstanding lume on the hands and the double-domed sapphire crystal as favorite features, while some owners find the bezel insert glossy and the lume on the orange indices to be almost non-existent. One owner dislikes how the oyster bracelet terminates at the springbars instead of sitting flush with the case. The Squale Matic is powered by a Sellita SW200-1 automatic movement. On balance, owners and reviewers rate the Squale Matic highly for its robust build quality and comfortable, vintage-inspired ergonomics at its price point.

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