Side by side

Echo/Neutra 1956 ChronovsSeiko Astron

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

1956 Chrono
Echo/Neutra1956 Chrono
MSRP $2,060
Astron
SeikoAstron
MSRP $2,700

At a glance

17 of 29 specs differ
Diameter
1956 Chrono40mm
Astron43.3mm
Power Reserve
1956 Chrono48h
Astron40h
Water Resistance
1956 Chrono100m
Astron100m
MSRP
1956 Chrono$2,060
Astron$2,700

Full specifications

Case

7 specs
Diameter
40mm
43.3mm
Thickness
14.1mm
13.4mm
Lug-to-Lug
46mm
49.5mm
Lug Width
20mm
14mm
Material
316L Stainless Steel
Titanium
Finish
Brushed + Polished
Brushed and polished
Caseback
Solid screw-down
Solid

Crystal & Dial

4 specs
Crystal Shape
Ultra-domed
Curved
AR Coating
Underside
Super-clear coating
Dial Color
White
Black
Lume
Superluminova Old Radium
LumiBrite on hands and index(es)

Movement

5 specs
Caliber
Sellita SW510M BH b elaboré
5X83
Type
Manual
Quartz
Power Reserve
48h
40h
Jewels
23
14
Complications
GMT, Chronograph, Moonphase, Date
None

Pricing

1 specs
MSRP
$2,060
$2,700

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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.

Echo/Neutra 1956 Chrono

Owners widely praise the Echo/Neutra 1956 Chrono for its gorgeous looks and clean design, with one owner calling it a top 5 watch in their collection. The 40mm size and included straps are noted as comfortable and wearable. Some owners find the watch difficult to read in dull lighting. One owner of a 1956 GMT reported a non-screwing crown, and another owner of a 1956 GMT noted a misaligned bezel. Overall, owners rate the Echo/Neutra 1956 Chrono highly for its aesthetic appeal and wearability.

Seiko Astron

The Seiko Astron is widely praised for its advanced timekeeping technology, including GPS and radio wave synchronization, offering grab-and-go convenience and exceptional accuracy, with some users reporting +/- 15 seconds per month or even 1/2 second per day for its autonomous quartz movement. Owners appreciate its well-finished titanium cases and bracelets, detailed dials with high-contrast markers, and lightweight, comfortable wearability. However, some find the price point of around $2,000 to $2,400 expensive, noting that GPS sync works best outdoors and that certain models lack screw-down casebacks, impacting water resistance. The lume is described as sparse on some models, and recessed buttons require tools to operate. Overall, owners and reviewers rate the Seiko Astron highly for its cutting-edge technology and comfortable, well-finished design, with the value proposition becoming more compelling when models are found at a discount.

From video reviewers

The watch's automatic time zone adjustment via GPS is a notable feature. The watch's solar-powered charging system can take up to 6 months to fully charge, which may not be ideal for users who need a quick power boost.

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