Side by side

Seiko AstronvsVaer D4 Meridian Solar

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

Astron
SeikoAstron
MSRP $3,100
D4 Meridian Solar
VaerD4 Meridian Solar
MSRP $399

At a glance

14 of 29 specs differ
Diameter
Astron44.1mm
D4 Meridian Solar42mm
Power Reserve
Astron40h
D4 Meridian Solar40h
Water Resistance
Astron100m
D4 Meridian Solar200m
MSRP
Astron$3,100
D4 Meridian Solar$399

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
44.1mm
42mm
Thickness
14.4mm
13.18mm
Lug-to-Lug
50mm
46mm
Lug Width
14mm
20mm
Material
Titanium
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Curved
Flat
AR Coating
Super-clear coating
Inner
Lume
LumiBrite on hands and index(es)
None

Movement

2 specs
Caliber
5X83
Jewels
14
25

Pricing

1 specs
MSRP
$3,100
$399

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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 Astron

Owners widely praise the Seiko Astron for its spectacular technology, self-sufficiency, and grab-and-go convenience, with one owner calling it the best watch they have ever had. Reviewers and owners highlight the detailed and well-managed dials, often with "Grand Seiko-esque" precision, and appreciate the comfortable, lightweight titanium construction. The solar-powered quartz movement with GPS time sync is a significant draw, offering accurate timekeeping. However, the price point of around €2250-€2400 is frequently cited as high for a quartz watch. Some owners note manual DST implementation, dependence on outdoor conditions or radio tower proximity for GPS sync, and sparse lume. One owner experienced the minute hand sitting slightly off and found the recessed buttons difficult to operate. Accuracy figures vary, with some reporting +/- 15 seconds per month without GPS, while others note autonomous quartz movement accuracy of up to 1/2 second per day.

Vaer D4 Meridian Solar

Owners widely praise the Vaer D4 Meridian Solar for its excellent value, citing features like the sapphire crystal with AR coating and its solar-powered quartz movement. The watch's great colorways, unique yet simple design, and gilt hands are frequently highlighted, contributing to its appeal as a sports or outdoors watch. However, the second-hand alignment is a common point of contention, with some owners finding it annoyingly imprecise for the $399 price point, a characteristic the brand states is within normal tolerances. The steel bracelet has also been described as disappointing with sharp edges, though alternative strap options can mitigate this. On balance, owners and reviewers rate the Vaer D4 Meridian Solar highly for its impressive feature set and design at its price point, despite minor criticisms regarding second-hand alignment and the stock bracelet.

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