Lorier Neptune Series IV vs Tissot Seastar

Side-by-side comparison of specifications and features

LorierNeptune Series IV

Neptune-SIV

TissotSeastar

36mm

Key Differences

Best Value

Tissot Seastar (36mm)

Starting from $355

Best Water Resistance

Tissot Seastar (36mm)

300m (2x more)

Biggest Price Drop

Tissot Seastar (36mm)

-16.4% in 30 days

Price Comparison

Lorier Neptune Series IV

MSRP

$499

Used

$650

Tissot Seastar

MSRP

$750

Used

$319

MSRP New (Amazon) Used (eBay)

Comparison of Lorier Neptune Series IV, Tissot Seastar
Specification	Lorier Neptune Series IV	Tissot Seastar
Pricing
MSRP	$499	$750
New Price	N/A	N/A
Used Price (Low)	$650	$319
Used Price (High)	$650	$585
30-Day Trend	0.0%	↓ -16.4%
Used Price Range	$650 - $650	$319 - $585
Identity
Reference	Neptune-SIV	36mm
Nickname	N/A	N/A
Style	Diver, Vintage	Diver, Sports
Release Era	2020s	2000s
Dimensions
Diameter	39mm	36mm
Thickness	12.7mm	N/A
Lug Width	20mm	N/A
Lug to Lug	46mm	N/A
Movement
Movement	Automatic	Quartz
Power Reserve / Battery	N/A	N/A
Accuracy	N/A	N/A
Case
Case Material	Stainless Steel	Stainless Steel
Crystal	Acrylic	Sapphire Crystal
Water Resistance	200m (diving)	300m (diving)
Bezel	Unidirectional rotating	Unidirectional rotating
Dial
Dial Color	Black	Black
Luminous	Yes	Yes
Community
Review Rating	N/A	N/A
In Collections	N/A	N/A
On Wishlists	N/A	N/A
Forum Threads	N/A	N/A

Quick Summary

This Lorier Neptune Series IV vs Tissot Seastar comparison is less about a universal winner and more about mechanical feel versus low-maintenance convenience, wrist presence versus easier fit, water-ready utility versus dressier everyday wear. They both touch the diver use case, so smaller spec differences can matter more than brand preference.

How to choose

The biggest practical difference is usually movement and upkeep. Start with wrist fit and movement preference, then use water resistance and price to break the tie.

Lorier Neptune Series IV

Lorier Neptune Series IV is a better fit for buyers who want more wrist presence, mechanical-watch enthusiasts, diver styling.

Tissot Seastar

Tissot Seastar is a better fit for smaller wrists, low-maintenance daily wear, diver styling.

Key Differences

Movement and upkeep

Lorier Neptune Series IV: automatic movement

Tissot Seastar: quartz movement

Lorier Neptune Series IV uses a automatic movement, while Tissot Seastar uses a quartz movement — that changes day-to-day ownership, upkeep, and the overall feel on the wrist.

Size and wearability

Lorier Neptune Series IV: 39mm · L2L 46mm

Tissot Seastar: 36mm

Fit is a real separator here — compare case width and lug-to-lug before deciding, especially if wrist comfort matters more than headline features.

Water resistance

Lorier Neptune Series IV: 200m

Tissot Seastar: 300m

Water resistance is a meaningful separator here — the higher-rated option gives more flexibility for swimming or rougher daily use.

Price and value

Lorier Neptune Series IV: $499

Tissot Seastar: $355

There is a real price gap here — treat the more expensive option as an upgrade decision and confirm whether the extra spend buys something you will notice in weekly use.

Style and use case

Lorier Neptune Series IV: diver

Tissot Seastar: diver

Both lean into a similar diver use case — the choice is more about fit, features, and price than category.

Crystal and materials

Lorier Neptune Series IV: acrylic crystal · steel

Tissot Seastar: sapphire crystal · steel

Crystal choice can change long-term wear expectations — one may prioritize scratch resistance while the other keeps cost or vintage feel in check.

Choose Lorier Neptune Series IV If...

You prefer more dial presence and a larger case feel.
You prefer a mechanical watch experience and do not mind more upkeep.
You are comfortable paying more for a stronger feature set.

Choose Tissot Seastar If...

You want a smaller case footprint on the wrist.
You want a lower-maintenance daily watch.
Swimming, beach use, or tougher daily wear is part of the plan.

Price and Value Notes

Tissot Seastar is often the value play at current pricing, while Lorier Neptune Series IV makes more sense if you will use its extra features regularly.

There is a real price gap here — treat the more expensive option as an upgrade decision and confirm whether the extra spend buys something you will notice in weekly use.

Where to Check Deals

Check current deals on Amazon and eBay using the buttons below — listing prices, seller quality, and condition can change quickly.

Check current deals on Amazon and eBay

Prices change often, so compare the latest listings and condition options before you buy.

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Lorier Neptune Series IV

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $650 · Live listings

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Tissot Seastar

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $355 · Live listings

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Comparison FAQ

Which movement is easier to live with day to day?

Quartz and solar models are usually easier for grab-and-go use, while automatic and manual watches appeal more to buyers who enjoy the mechanical side of watch ownership.

Which one is better for smaller wrists?

Start with case width and lug-to-lug. The watch that looks smaller on paper is often the safer choice, but lug shape and thickness still affect how it wears.

Which is better for swimming or rough daily wear?

Use the water resistance row as the first filter. Higher ratings generally give more flexibility for swimming and water exposure, but strap choice and overall condition still matter.

Should I choose based on price alone?

Price matters, but the better buy is the watch that matches your fit, feature priorities, and use case. Check live listings first, then decide whether the price gap actually changes the ownership experience.