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

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition at true scale

Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

Spinnaker Croft Pioneer at true scale

Croft Pioneer

Diameter

42.7mm

42mm

Lug-to-Lug

46.4mm

lowest

47mm

Thickness

13.2mm

12mm

lowest

Water Resistance

200m

highest

100m

Power Reserve

70h

n/a

MSRP

$1,350

$199

lowest

Movement

Seiko 6R35

Seiko NH35

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
n/a
AR Coating
Anti-reflective coating on inner surface
n/a
Dial Color
n/a
Grey
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
Seiko 6R35
Seiko NH35
Power Reserve
70h
0h
Jewels
24
0

Pricing

1 specs
MSRP
$1,350
$199
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Reviews

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

Owners widely praise the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition for its beautiful design and refinement over prior models, with its glacier-inspired textured dial being a particular highlight. However, a significant portion of the community finds the €1500 RRP to be too high, suggesting a price point closer to €900-€1000, and note the use of an aluminum bezel insert. Some owners report that the 6R movement runs slow. On balance, owners rate the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition highly for its aesthetic refinement, though the price point is a notable concern for the community.

Spinnaker Croft Pioneer

Owners widely praise the Spinnaker Croft Pioneer for its detailed workmanship, satisfying look, and dial tones that appear distinct in sunlight, with some noting excellent timekeeping and good lume. The watch is considered a decent build for its price, offering a unique design and better finish quality than other watches in the same price range, with one owner specifically mentioning neat dolphin indices and a natural black aventurine dial. However, the bracelet and clasp are frequently criticized as being of poor quality, and one owner found the leather strap rigid and the crown difficult to operate. On balance, owners rate the Spinnaker Croft Pioneer highly for its unique dial and overall finishing at its price point, despite significant criticism of the bracelet.

From video reviewers

The Spinnaker Croft Pioneer offers good value for its price point. The vintage-inspired design is a key selling point.

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