Side by side

Seiko Prospex SeavsSeiko Prospex Sea 1965 Heritage Diver's Watch

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

Owners widely praise the Seiko Prospex Sea for its excellent value, solid build, and comfortable wearability, with specific mentions of its matte black dial, excellent lume, and cushion case that wears smaller than its dimensions suggest. The 4R36 movement is noted for hacking and hand-winding capabilities, and the bezel action is described as smooth and precise. Some owners find the watch to be a legitimate tool with a fair price, while others describe it as big, thick, and heavy, uncomfortable for smaller wrists, though this is subjective as one owner found the size perfect. The solar quartz movement is also highlighted as a collection-worthy feature. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its exceptional value and comfortable, classic design.

Seiko Prospex Sea 1965 Heritage Diver's Watch

The Seiko Prospex Sea 1965 Heritage Diver's Watch is praised for its refined engineering and updated features, including a 300m water resistance and a 72-hour power reserve from the Caliber 6R55 movement in a 40mm case. Owners note its better build quality and interesting finishing with a mix of polished and brushed surfaces. The "Tranquil Teal" variant features a jewel-toned dial with a rippling-water pattern. However, some owners consider the price too high, and concerns exist regarding the accuracy of the 6R movements, with some reporting theirs run slow. One review notes a reflective dial that impacts legibility. On balance, owners and reviewers appreciate the Seiko Prospex Sea 1965 Heritage Diver's Watch for its refined design and improved specifications over previous generations, despite some reservations about movement accuracy and price.

At a glance

6 of 29 specs differ
Diameter
Prospex Sea42mm
Prospex Sea 1965 Heritage Diver's Watch40mm
Power Reserve
Prospex Sea72h
Prospex Sea 1965 Heritage Diver's Watch72h
Water Resistance
Prospex Sea300m
Prospex Sea 1965 Heritage Diver's Watch300m
MSRP
Prospex Sea
Prospex Sea 1965 Heritage Diver's Watch$1,300

Full specifications

Case

3 specs
Diameter
42mm
40mm
Thickness
13.3mm
13mm
Lug-to-Lug
48.6mm
46.4mm

Crystal & Dial

1 specs
Crystal Shape
Curved

Movement

1 specs
Caliber
6R54
6R55

Pricing

1 specs
MSRP
$1,300
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