Side by side

Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special EditionvsSeiko Prospex Sea

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

At a glance

9 of 29 specs differ
Diameter
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition42.7mm
Prospex Sea43.8mm
Power Reserve
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition70h
Prospex Sea41h
Water Resistance
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition200m
Prospex Sea200m
MSRP
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition$1,350
Prospex Sea$625

Full specifications

Case

4 specs
Diameter
42.7mm
43.8mm
Thickness
13.2mm
12.8mm
Lug-to-Lug
46.4mm
48.7mm
Lug Width
20mm
22mm

Crystal & Dial

1 specs
Crystal Shape
Curved
Flat

Movement

3 specs
Caliber
6R35
4R35
Power Reserve
70h
41h
Jewels
24
23

Pricing

1 specs
MSRP
$1,350
$625

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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 Save the Ocean Special Edition

The Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition is praised for its beautiful design and refinement over previous models, featuring vertically textured glacier-inspired dials. Owners, however, consider the €1500 RRP too high, suggesting a price closer to €900-€1000, noting the aluminum bezel insert instead of ceramic. Some owners report the 6R movement runs slow. On balance, owners find the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition beautiful and a refinement, but the price and aluminum bezel are points of contention.

Seiko Prospex Sea

The Seiko Prospex Sea is widely praised for its excellent value, solid build quality, and comfortable wearability, with many models featuring impressive lume and attractive dials. Owners and reviewers highlight the modern upgrades on classic designs, such as drilled lugs and reliable movements with hacking and hand-winding capabilities. Some models are noted for their refined case finishing and scratch resistance. Accuracy figures vary, with one owner reporting approximately 4 seconds fast per day, while others find the movements offer good performance for the price. Concerns raised by owners and reviewers include clasps that can feel generic or cheap, and lug widths that some find disproportionate to the case size on certain models. The thickness and weight of some Prospex Sea watches are also noted as substantial. The GMT function on specific models is considered secondary and difficult to read for true travel purposes.

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