is this movement made in Japan?

I don't believe it's even a true seiko movement, seiko's are stamp either Japan or Malaysia depending on coutry of origin. This looks to be a chinese knockoff.

Will this mechanism fit in a 38mm Casio case with slight modification?

So long as the case will accept the width of the movement and its height it should work. But, be sure that the case tube will allow the stem to enter the movement evenly from left to right and top to bottom...

Does this movement tale three hands? And will it fit a 41 mm case

It has three hands: hour, minute, and second. It's a direct replacement for the earlier 7S26 and 7S36 movements, so if your Seiko case, regardless of the size, had one of those originally, it will drop right in. Be aware that you may have to swap in the black movement spacer from your old movement, as the gray spacer is a bit thinner.

Genuine Compatible With Seiko Sii Nh35 Nh35a Automatic Watch Movement

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Description

⚙️ Elevate your timepiece with Seiko precision — because every second counts!

LONG LASTING POWER - Keep your watch ticking smoothly for up to 41 hours without winding.
COMPLETE UPGRADE KIT - Includes winding stems for an easy, professional-grade watch repair or upgrade.
PERFECT FIT GUARANTEE - Exact 26mm diameter and 5.32mm height for seamless compatibility.
EFFORTLESS SELF WINDING - Ball bearing mechanism ensures quiet, smooth, and reliable automatic winding.
PRECISION ENGINEERED MOVEMENT - Experience flawless timekeeping with Seiko's 24-jewel automatic caliber.

The Ewatchparts Genuine Compatible Seiko NH35/NH35A is a brand-new automatic watch movement featuring 24 jewels, a 41-hour power reserve, and precise dimensions (26mm diameter, 5.32mm height). Designed for seamless compatibility and smooth self-winding operation at 21,600 vibrations per hour, it includes winding stems for easy installation, making it the ideal choice for watch enthusiasts seeking reliable, professional-grade upgrades.

Specifications

ASIN	B07D78T67Z
Additional Features	Automatic Movement, 24 Jewels, 41-Hour Power Reserve
Age Range Description	Adult
Band Color	Silver
Band Material Type	Sterling Silver
Band Width	26
Bands	1
Best Sellers Rank	#489,077 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #1,240 in Women's Wrist Watches #1,877 in Men's Wrist Watches
Brand Name	Ewatchparts
Case Diameter	26 millimeters
Case Material Type	Stainless Steel
Case Thickness	13.4 millimeters
Clasp Type	Tang Buckle
Clasp type	Tang Buckle
Closure Type	Buckle
Crystal	Crystal
Customer Reviews	4.3 out of 5 stars 116 Reviews
Dial Color	White
Display	Analog
Embellishment Feature	Crystal
Face Style	Skeleton
Included Components	winding stems
Item Weight	2.08 ounces
Item width	2 inches
Manufacturer	Ewatchparts
Manufacturer Part Number	WP-72110
Model Name	Seiko (SII) NH35/NH35A
Model Number	204eed1d-3e0a-4abe-b7e8-9ed7803ba7ac
Number of Items	1
Pattern	Solid
Shape	Round
Sport Type	Walking
Strap Type	Bracelet
Style Name	Automatic Watch
Unit Count	1 Count
Watch Movement Type	Automatic
Water Resistance Level	Not Water Resistant

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$203.64

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

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Genuine Compatible with Seiko (Sii) NH35/NH35A Automatic Watch Movement Date @3 White Brand

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