Side by side

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited EditionvsSpinnaker Fleuss 40 Automatic

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

Fleuss 40 Automatic
SpinnakerFleuss 40 Automatic
MSRP $450

At a glance

13 of 29 specs differ
Diameter
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Fleuss 40 Automatic40mm
Power Reserve
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Fleuss 40 Automatic40h
Water Resistance
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
Fleuss 40 Automatic150m
MSRP
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300
Fleuss 40 Automatic$450

Full specifications

Case

5 specs
Diameter
44mm
40mm
Thickness
13mm
11mm
Lug-to-Lug
49.3mm
47mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
150m

Crystal & Dial

4 specs
Crystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Coral
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
8L35
SII NH35A
Power Reserve
50h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$3,300
$450

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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.

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

Owners widely praise the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition for its attractive, well-made design and gorgeous dial, noting its jewel-toned teal color and rippling-water pattern. The bezel action is smooth with a muted sound, and the case and bracelet offer a more comfortable feel than previous iterations. However, multiple owners express disappointment with the accuracy of the 6R movement at its price point, with some noting theirs runs slow, and consider the price too high. The steep rehaut and marker size make the 24-hour numbers difficult to read, and some find the case design makes the watch feel top-heavy despite wearing smaller. Overall, owners rate the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition highly for its striking dial and refined case design, despite concerns regarding movement accuracy at its price.

Spinnaker Fleuss 40 Automatic

Owners find the Spinnaker Fleuss 40 Automatic a good size for smaller wrists, though one owner notes the lume is too diffuse for easy nighttime reading. The pilot-style crown is an unusual feature for a dive watch. Overall, owners value the Spinnaker Fleuss 40 Automatic for its wearability on smaller wrists.

From video reviewers

The coral red dial is a unique aesthetic. The watch is a strong contender for best-in-class under $300.

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