Side by side

Serica Réf. 5303 PLDvsSeiko Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition

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.

Serica Réf. 5303 PLD

Owners widely praise the Serica Réf. 5303 PLD for its sophisticated design and refined finishing that exceeds its price point, noting its ability to blend dress and tool watch aesthetics and wear thinly under cuffs. One owner reports the screw-down crown has loosened during wear, raising concerns for dive-use integrity, while another questions the practicality of the no-deco dive scale for specialized diving. Reviewers find the 39mm case wears slightly small and note the mesh bracelet feels dainty for a military-themed watch. Overall, owners and reviewers rate the Serica Réf. 5303 PLD highly for its elegant finishing and versatile design that punches above its weight class.

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

The Seiko Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition is praised for its attractive emerald green sunburst dial with gold accents and its comfortable wearability. Owners note the dial looks gorgeous in the right light, and some find it fits better than other models. The watch features a 40mm steel case, a domed sapphire crystal, and 300m water resistance, powered by the 6R55 movement with a 72-hour power reserve. However, some find the watch wears top-heavy due to its density and case design, and the bracelet clasp is criticized for stamped parts and limited micro-adjustment. The retail price of €1,700 is considered high by some, with sales recommended. Overall, owners and reviewers appreciate the dial's beauty and the watch's comfortable fit, despite some reservations about its weight distribution and bracelet clasp.

At a glance

12 of 29 specs differ
Diameter
Réf. 5303 PLD39mm
Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition40mm
Power Reserve
Réf. 5303 PLD42h
Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition72h
Water Resistance
Réf. 5303 PLD300m
Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition300m
MSRP
Réf. 5303 PLD$1,974
Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition$1,550

Full specifications

Case

4 specs
Category
Diver
Diameter
39mm
40mm
Thickness
12.2mm
13mm
Lug-to-Lug
46.5mm
46.4mm

Crystal & Dial

4 specs
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Dial Color
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Soprod M100
6R55
Power Reserve
42h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$1,974
$1,550
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