Side by side

Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special EditionvsSpinnaker Croft Pioneer

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

Croft Pioneer
SpinnakerCroft Pioneer
MSRP $199

At a glance

13 of 29 specs differ
Diameter
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition42.7mm
Croft Pioneer42mm
Power Reserve
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition70h
Croft Pioneer40h
Water Resistance
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition200m
Croft Pioneer100m
MSRP
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition$1,350
Croft Pioneer$199

Full specifications

Case

5 specs
Diameter
42.7mm
42mm
Thickness
13.2mm
12mm
Lug-to-Lug
46.4mm
47mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
6R35
SII NH35A
Power Reserve
70h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$1,350
$199

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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 Save the Ocean Special Edition

The Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition is praised for its beautiful design and refinement over previous models, featuring vertically textured glacier-inspired dials. Owners, however, consider the €1500 RRP too high, suggesting a price closer to €900-€1000, noting the aluminum bezel insert instead of ceramic. Some owners report the 6R movement runs slow. On balance, owners find the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition beautiful and a refinement, but the price and aluminum bezel are points of contention.

Spinnaker Croft Pioneer

Owners widely praise the Spinnaker Croft Pioneer for its detailed workmanship and attractive dial tones that appear distinct in sunlight, with one owner reporting excellent timekeeping of zero gain or loss over two days. However, some owners report the watch keeping poor time, losing five minutes in a day, and find the crown difficult to spin. The leather strap is also noted as rigid. On balance, owners rate the Spinnaker Croft Pioneer highly for its unique aventurine dial and wrist presence at the $130 price point.

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