Side by side

Henry Archer TidevandvsSeiko Astron GPS Solar 2025 Limited Edition

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

Tidevand
Henry ArcherTidevand
MSRP $5,299
Astron GPS Solar 2025 Limited Edition
SeikoAstron GPS Solar 2025 Limited Edition
MSRP $2,900

At a glance

15 of 29 specs differ
Diameter
Tidevand40mm
Astron GPS Solar 2025 Limited Edition43.4mm
Power Reserve
Tidevand40h
Astron GPS Solar 2025 Limited Edition40h
Water Resistance
Tidevand200m
Astron GPS Solar 2025 Limited Edition100m
MSRP
Tidevand$5,299
Astron GPS Solar 2025 Limited Edition$2,900

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
40mm
43.4mm
Thickness
10.65mm
13.4mm
Lug-to-Lug
47mm
49.5mm
Lug Width
20mm
14mm
Material
316L Stainless Steel
Titanium
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Super-clear coating
Dial Color
Grey
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Miyota 9015
5X83
Type
Automatic
Quartz
Jewels
25
14

Pricing

1 specs
MSRP
$5,299
$2,900

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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 Astron GPS Solar 2025 Limited Edition

The Seiko Astron GPS Solar 2025 Limited Edition is lauded for its advanced satellite timekeeping and perpetual calendar functionality, offering global time and location updates via GPS signals. Owners appreciate its well-built titanium or steel case, often featuring a ceramic bezel, and the unique asymmetrical design inspired by the 1983 Seiko 7A28 6000. However, its substantial 47mm size and 16.5mm thickness are frequently noted as drawbacks, with some finding it wears large and is difficult to fit under shirt sleeves. The perpetual calendar is limited to displaying only the date, and GPS signal reception requires a clear view of the sky, posing challenges indoors. The watch is priced around $2,900 and is limited to 3,000 pieces. Overall, owners and reviewers value the Seiko Astron GPS Solar 2025 Limited Edition for its cutting-edge technology and distinctive design, despite its considerable dimensions.

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