Side by side

Echo/Neutra 1956 ChronovsGrand Seiko SBGE307

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

1956 Chrono
Echo/Neutra1956 Chrono
MSRP $2,060
SBGE307
Grand SeikoSBGE307
MSRP $11,500

At a glance

19 of 29 specs differ
Diameter
1956 Chrono40mm
SBGE30744.5mm
Power Reserve
1956 Chrono48h
SBGE30772h
Water Resistance
1956 Chrono100m
SBGE307200m
MSRP
1956 Chrono$2,060
SBGE307$11,500

Full specifications

Case

9 specs
Category
Chronograph
GMT
Diameter
40mm
44.5mm
Thickness
14.1mm
14.9mm
Lug-to-Lug
46mm
50mm
Lug Width
20mm
23mm
Material
316L Stainless Steel
Titanium
Finish
Brushed + Polished
Brushed and polished
Water Resistance
100m
200m
Caseback
Solid screw-down
Solid

Crystal & Dial

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

Movement

5 specs
Caliber
Sellita SW510M BH b elaboré
9R66
Type
Manual
Spring Drive
Power Reserve
48h
72h
Jewels
23
25
Complications
GMT, Chronograph, Moonphase, Date
None

Pricing

1 specs
MSRP
$2,060
$11,500

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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.

Grand Seiko SBGE307

The Grand Seiko SBGE307 is praised for its unique "lion's mane" textured ivory dial and angular, modern titanium case featuring Zaratsu polishing. Reviewers highlight the aggressive, claw-shaped lugs and the contrasting hairline finishing, as well as the brownish-red GMT hand as a notable accent. The watch is powered by the 9R66 Spring Drive movement, offering a 72-hour power reserve and accuracy rated at +/- 15 seconds per month by one source, and +/- 1 second per day by another. It is priced at $10,700 USD and offers 200m water resistance. On balance, reviewers find the Grand Seiko SBGE307 to be a striking timepiece distinguished by its textured dial and sharp case finishing.

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