Side by side

Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited EditionvsVenezianico Nereide Ametista

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

Nereide Ametista
VenezianicoNereide Ametista
MSRP $1,250

At a glance

11 of 29 specs differ
Diameter
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition42.6mm
Nereide Ametista42mm
Power Reserve
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition72h
Nereide Ametista40h
Water Resistance
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition300m
Nereide Ametista200m
MSRP
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition$3,900
Nereide Ametista$1,250

Full specifications

Case

4 specs
Diameter
42.6mm
42mm
Thickness
14.1mm
12.5mm
Lug-to-Lug
49.3mm
49mm
Water Resistance
300m
200m

Crystal & Dial

3 specs
Crystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Yes
Lume
LumiBrite on hands, index(es) and bezel
Super-LumiNova

Movement

3 specs
Caliber
8L45
Sellita SW200-1
Power Reserve
72h
40h
Jewels
35
25

Pricing

1 specs
MSRP
$3,900
$1,250

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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 Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition is praised for its distinctive blue sea ice-inspired dial with a gradient effect and textured finish, celebrating its partnership with JAMSTEC. It is powered by the automatic Calibre 8L45 movement, which provides a 72-hour power reserve. The watch features a 42.6mm stainless steel case with a super-hard coating, a ceramic bezel, and a dual-curved sapphire crystal, offering 300m water resistance. Accuracy is rated between -5/+10 seconds per day. Overall, reviewers highlight the unique dial design and robust specifications as key strengths of the Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition.

Venezianico Nereide Ametista

Venezianico Nereide Ametista owners widely praise its striking amethyst-purple dial and proportions, with particular appreciation for the durable tungsten bezel, which is noted as highly resistant to scratches. The bracelet and bezel action also receive consistent positive remarks for their feel and functionality. The watch is frequently highlighted as an excellent choice for a first true dive watch, with its Italian manufacturing and development adding to its appeal. On balance, owners rate the Venezianico Nereide Ametista highly for its distinctive dial and robust, well-executed bezel at its price point.

From video reviewers

The 120-click unidirectional tungsten bezel is a strong point, offering excellent durability. The lume brightness could be improved, as the BGW9 Super-LumiNova is not as bright as some other watches in its class. Reviewers disagree on the standout feature of the watch, with one highlighting the unique dial and the other the sporty yet refined presence of the 42 mm stainless steel case.

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