Seiko Prospex Sea 1965 Heritage Diver's Save the Ocean Special EditionvsVentus Watches Northstar

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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 1965 Heritage Diver's Save the Ocean Special Edition at true scale

Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition

Ventus Watches Northstar at true scale

Northstar

Diameter

40.5mm

40mm

Lug-to-Lug

47.6mm

45mm

lowest

Thickness

13.2mm

13mm

lowest

Water Resistance

200m

300m

highest

Power Reserve

70h

n/a

MSRP

$1,250

n/a

Movement

Seiko 6R35

Seiko NH35

Case

4 specs
Diameter
40.5mm
40mm
Thickness
13.2mm
13mm
Lug-to-Lug
47.6mm
45mm
Water Resistance
200m
300m

Crystal & Dial

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

Movement

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

Pricing

1 specs
MSRP
$1,250
n/a
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition

Owners widely praise the Seiko Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition for its unique dial color and execution, with one owner noting the 44mm lug-to-lug is perfect for most wrists. The watch is considered a refined piece with a fun factor, featuring a dial inspired by Okinawa's ocean colors expected to have a bright sunburst effect. Accuracy figures for the 6R35 movement range, with one owner reporting -10/+10 seconds per day as "pretty amazing," while others note issues with the 6R movement's accuracy. Some owners find the price of 1500€ too high, suggesting a value closer to 900€. On balance, owners and reviewers rate the Seiko Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition well for its dial execution and wearability, despite some debate over its price point.

Ventus Watches Northstar

Owners praise the Ventus Northstar for its overbuilt and practical diver watch aspects, with perceived quality far above its price point. One owner notes the brass case measures 40mm with a 45mm lug to lug and 13mm thickness, featuring a double-domed sapphire crystal with inner AR coating. The case is rated for 300m water resistance. Some owners find the N1 version's dial underwhelming and the rubber strap flimsy, while one owner reports the white dial WD007ST has a noticeably misaligned date wheel. Overall, owners rate the Ventus Northstar highly for its exceptional value and robust build quality at its price point.

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