What is the extra button/stem for?

It’s for the compass. Bought this watch in April and love it .

Replacer original band available? Size for replacement 2nd question? Thank you for the help .

Hello, We have new original bands available. Please directly contact us if you'd like to purchase a new original strap. Best regards, Golden Time Jewelers Seiko Authorized Dealer

Automatic? Description say quartz movement.

Automatic and hand-winding movement with a hacking function, amazon controls the content and might stands to be updated.

Is the inner, rotating bezel/compass black or green?

Hello, It's green. Best regards, GTJ

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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[セイコー]SEIKO 腕時計 PROSPEX AUTOMATIC プロスペックスオートマチック SPB121J1 メンズ [逆輸入]

Product ID: 731956557

💧20 ATM water resistance

⏱️Automatic self-winding movement

⚙️40mm stainless steel case

R31537

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered 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 South Africa.

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Description

⌚ Elevate your wrist game with timeless precision and rugged style.

TIMELY DETAILS - Integrated date calendar keeps your schedule sharp and on point.
BOLD BALANCED - 40mm stainless steel case strikes the perfect balance of presence and comfort.
PRECISION IN MOTION - Automatic self-winding movement keeps you effortlessly on time.
CRYSTAL CLEAR CONFIDENCE - Sapphire crystal glass offers scratch-resistant clarity for everyday elegance.
BUILT FOR LIFES DEPTHS - 20 ATM water resistance means no worries from rain to poolside.

The SEIKO PROSPEX AUTOMATIC SPB121J1 is a men’s wristwatch featuring a robust 40mm stainless steel case, scratch-resistant sapphire crystal, and a reliable automatic self-winding movement. Designed for active professionals, it offers 20 ATM water resistance and a practical date calendar, blending durability with sophisticated style.

Specifications

ASIN	B083H6FJ5S
Amazon 売れ筋ランキング	ファッション - 1,681,469位 ( ファッションの売れ筋ランキングを見る ) メンズ腕時計 - 16,871位
Amazon.co.jp での取り扱い開始日	2020/1/20
カスタマーレビュー	4.5 5つ星のうち4.5 (102) var dpAcrHasRegisteredArcLinkClickAction; P.when('A', 'ready').execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( 'acrLink-click-metrics', 'click', { "allowLinkDefault": true }, function (event) { if (window.ue) { ue.count("acrLinkClickCount", (ue.count("acrLinkClickCount") \|\| 0) + 1); } } ); } …
メーカー	SEIKO(セイコー)
メーカーにより製造中止になりました	いいえ
商品モデル番号	SPB121J1
製品サイズ	15 x 10 x 5 cm; 2 g
部門	メンズ
電池	1 不明電池(付属)

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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R31537

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered 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 South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

Ayesha M.

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

5 days ago

View all Trustpilot reviews

[セイコー]SEIKO 腕時計 PROSPEX AUTOMATIC プロスペックス オートマチック SPB121J1 メンズ [逆輸入]

Description

Specifications

Common Questions

[セイコー]SEIKO 腕時計 PROSPEX AUTOMATIC プロスペックスオートマチック SPB121J1 メンズ [逆輸入]