Side by side

Echo/Neutra 1956 ChronovsSeiko Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition

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

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 Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition

The Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition is praised for its retro design, balanced 42mm case, good finishing, and sapphire crystal. It is powered by the calibre 8R48, featuring a column wheel and vertical clutch, and offers 100m water resistance. Some find its 45-hour power reserve short compared to modern alternatives, and the date window placement is a point of discussion. The solar-powered variant is noted for its compact proportions and character, though some desire thinner cases and improved bracelet micro-adjustment. Overall, owners and reviewers appreciate the SPEEDTIMER's vintage-inspired aesthetics and solid build, with critiques focusing on power reserve and minor functional details.

At a glance

18 of 29 specs differ
Diameter
1956 Chrono40mm
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition42mm
Power Reserve
1956 Chrono48h
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition
Water Resistance
1956 Chrono100m
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition100m
MSRP
1956 Chrono$2,060
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition$2,400

Full specifications

Case

7 specs
Diameter
40mm
42mm
Thickness
14.1mm
12.9mm
Lug-to-Lug
46mm
49.6mm
Lug Width
0mm
20mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed + Polished
Caseback
Solid screw-down

Crystal & Dial

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

Movement

6 specs
Caliber
Sellita SW510M BH b elaboré
5X83
Type
Manual
Quartz
Beat Rate
28,800 vph
0 vph
Power Reserve
48h
0h
Jewels
23
14
Complications
GMT, Chronograph, Moonphase, Date
None

Pricing

1 specs
MSRP
$2,060
$2,400
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