Certina DS Action Diver 38mm Powermatic 80vsSeiko Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition

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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.

Certina DS Action Diver 38mm Powermatic 80 at true scale

DS Action Diver 38mm Powermatic 80

Seiko Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition at true scale

Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition

Diameter

38mm

40mm

Lug-to-Lug

45.0mm

lowest

46.4mm

Thickness

13.2mm

13mm

lowest

Water Resistance

300m

300m

Power Reserve

80h

highest

72h

MSRP

$1,045

lowest

$1,550

Movement

POWERMATIC 80.611

Seiko 6R55

Case

4 specs
Diameter
38mm
40mm
Thickness
13.22mm
13mm
Lug-to-Lug
45.01mm
46.4mm
Lug Width
19mm
20mm

Crystal & Dial

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

Movement

3 specs
Caliber
POWERMATIC 80.611
Seiko 6R55
Power Reserve
80h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$1,045
$1,550
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Reviews

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

Certina DS Action Diver 38mm Powermatic 80

The Certina DS Action Diver 38mm Powermatic 80 is widely praised for its excellent value, robust build quality, and comfortable wearability, particularly on smaller wrists. Owners consistently highlight its smooth crown operation, excellent case finishing for the price, and the reliable Powermatic 80 movement, with accuracy reported between +1/+2 and -6 seconds per day. The watch is considered a well-balanced, classic-looking unisex dive watch with a dynamic sunburst dial and tank-like construction. However, some reviewers note that the 38mm version lacks a ceramic bezel, and one owner found the lume on the hour markers weak. Minor criticisms include end links that do not perfectly line up with the case and occasional bracelet hair-snagging, with one instance of disappointing bezel alignment for its price category. Overall, owners and reviewers rate the Certina DS Action Diver 38mm Powermatic 80 highly for its exceptional value and solid execution as a tool-watch.

Seiko Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition

Owners and reviewers praise the Seiko Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition for its attractive emerald green dial with a sunburst effect and gold accents, which looks gorgeous in the right light. The watch is noted for its retro-inspired design, domed sapphire crystal, and comfortable wearability, fitting well for some. The bracelet includes a new, slimmer clasp with toolless micro-adjustment, and the watch comes with both a steel bracelet and a fabric strap. However, some find the watch wears top-heavy due to its density and case design, and the bracelet clasp is criticized for its stamped parts and limited micro-adjustment. The retail price of €1,700 is considered high by some, with sales being recommended. On balance, owners and reviewers rate the Seiko Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition positively for its attractive dial and comfortable retro design, despite some reservations about the clasp and price.