Side by side

Echo/Neutra 1956 3HvsLongines LONGINES SPIRIT FLYBACK PROTOTYPE

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

1956 3H
Echo/Neutra1956 3H
MSRP $1,025
LONGINES SPIRIT FLYBACK PROTOTYPE
LonginesLONGINES SPIRIT FLYBACK PROTOTYPE
MSRP $7,400

At a glance

17 of 29 specs differ
Diameter
1956 3H40mm
LONGINES SPIRIT FLYBACK PROTOTYPE42mm
Power Reserve
1956 3H41h
LONGINES SPIRIT FLYBACK PROTOTYPE40h
Water Resistance
1956 3H100m
LONGINES SPIRIT FLYBACK PROTOTYPE100m
MSRP
1956 3H$1,025
LONGINES SPIRIT FLYBACK PROTOTYPE$7,400

Full specifications

Case

8 specs
Category
Chronograph
Diameter
40mm
42mm
Thickness
11.9mm
17mm
Lug-to-Lug
46mm
49.5mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed + Polished
Brushed and polished
Caseback
Solid screw-down
Solid

Crystal & Dial

4 specs
Crystal Shape
Ultra-domed
Flat
AR Coating
Underside
Inner
Dial Color
Black
Green
Lume
Superluminova Old Radium
None

Movement

4 specs
Caliber
Sellita SW200-1 elaboré
L791.4
Power Reserve
41h
40h
Jewels
26
25
Complications
GMT, Moonphase, Date
None

Pricing

1 specs
MSRP
$1,025
$7,400

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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 3H

Owners widely praise the Echo/Neutra 1956 3H for its exceptionally well-executed bracelet, with one owner comparing it favorably to Rolex Oyster bracelets and noting the gray dial exceeded build quality expectations. The watch features a dramatic box-domed sapphire crystal and a unique blend of vintage tool-watch and mid-century design elements. However, reviewers flag legibility challenges in low light due to its fixed, lumed bezel and non-lumed dial, and some may find the branding polarizing. Overall, owners rate the Echo/Neutra 1956 3H highly for its unique character and comfortable wearability, particularly appreciating the bracelet's quality.

LONGINES SPIRIT FLYBACK PROTOTYPE

Owners widely praise the Longines Spirit Flyback Prototype for its attractive finishing, COSC-certified movement, and value as a flyback chronograph. Reviewers highlight its refined 39.5mm case and simplified dial, while some owners appreciate the reduced thickness and improved wearability compared to larger variants, with a lug-to-lug distance noted as potentially long for smaller wrists. The watch features a 68-hour power reserve and a bespoke L791.4 movement. However, the case thickness is a consistent point of discussion, with multiple sources citing 17mm, though some reviewers suggest thoughtful design makes it wear closer to 13.5-14mm. Owners are split on the dial's aesthetic, with some preferring previous configurations with gold subdial rings and concentric textures over the current flat matte dial and cut-off numbers. The leather strap is also noted as stiff and pinching.

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