Side by side

Henry Archer TidevandvsSeiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

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

Tidevand
Henry ArcherTidevand
MSRP $5,299

At a glance

12 of 29 specs differ
Diameter
Tidevand40mm
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition42.7mm
Power Reserve
Tidevand40h
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition70h
Water Resistance
Tidevand200m
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition200m
MSRP
Tidevand$5,299
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition$1,350

Full specifications

Case

4 specs
Diameter
40mm
42.7mm
Thickness
10.65mm
13.2mm
Lug-to-Lug
47mm
46.4mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

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

Movement

3 specs
Caliber
Miyota 9015
6R35
Power Reserve
40h
70h
Jewels
25
24

Pricing

1 specs
MSRP
$5,299
$1,350

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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.

Henry Archer Tidevand

Owners widely praise the Henry Archer Tidevand for its exceptional finishing, highlighting the contrast between brushing and beveled polished edges, and its spectacular Aventurine dial, which evokes a sense of space. The BGW9 lume is described as "off the charts" and provides strong nighttime visibility, complementing the watch's rugged construction and refined aesthetic. The 40mm case is noted as being thin at 10.65mm, and the watch features a 120-click diver's bezel and 200 meters of water resistance. One owner reported tight bracelet push pins, but Henry Archer's customer service resolved the issue. On balance, owners rate the Henry Archer Tidevand highly for its striking Aventurine dial and robust lume.

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.

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