Side by side

Echo/Neutra 1956 ChronovsSeiko Prospex Sea The Black Series

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

1956 Chrono
Echo/Neutra1956 Chrono
MSRP $2,060
Prospex Sea The Black Series
SeikoProspex Sea The Black Series
MSRP $765

At a glance

19 of 29 specs differ
Diameter
1956 Chrono40mm
Prospex Sea The Black Series45mm
Power Reserve
1956 Chrono48h
Prospex Sea The Black Series41h
Water Resistance
1956 Chrono100m
Prospex Sea The Black Series200m
MSRP
1956 Chrono$2,060
Prospex Sea The Black Series$765

Full specifications

Case

9 specs
Category
Chronograph
Diver
Diameter
40mm
45mm
Thickness
14.1mm
13.2mm
Lug-to-Lug
46mm
47.7mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
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
Anti-reflective coating on inner surface
Dial Color
White
Black
Lume
Superluminova Old Radium
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
Sellita SW510M BH b elaboré
4R36
Type
Manual
Automatic
Power Reserve
48h
41h
Jewels
23
24
Complications
GMT, Chronograph, Moonphase, Date
None

Pricing

1 specs
MSRP
$2,060
$765

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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 Prospex Sea The Black Series

The Seiko Prospex Sea The Black Series is widely praised for its impressive value and compelling design elements. Reviewers highlight the SLA073's cave-diving-inspired dial, high-quality bracelet, and the robust 8L35 movement, calling it a standout release. The SRPE33 and SRPE39 models are noted for their attractive price, manta ray decorated dials, and excellent LumiBrite lume, though bezel alignment can be inconsistent. The SNJ029 is celebrated for its dynamic, colorful aesthetic, solar charging, and comfortable strap, making it ideal for outdoor adventures. Overall, the consensus is that Seiko Prospex Sea The Black Series models offer excellent value, with specific models lauded for their unique dials, quality finishing, and practical features like solar charging.

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