Kumamoto™ Bracelet for Seiko Alpinist - Anchor Strap Co.

Kumamoto™ Bracelet for Seiko Alpinist

Regular price$129
/
Shipping calculated at checkout.
Designed & fulfilled in Southern California
30-Day Returns · 1-Year Warranty

Orders are processed in the order received and typically ship within 1–2 business days (excluding holidays).

Delivery times vary by destination and carrier. You’ll receive a tracking email as soon as your order ships.

If your package shows delivered but can’t be located, please check with neighbors/building staff and allow 24–48 hours—then email support@anchorstrapco.com and we’ll help.

Full Shipping Policy

30-day returns from the date of delivery.

Items must be unworn, unused, and returned in original condition with original packaging.

$5 return shipping fee applies (waived for defective items and exchanges).

Final sale items, custom products, and modified integrated components are not eligible for return.

To start a return, log into your customer account or email returns@anchorstrapco.com.

Full Returns Policy • Shipping Policy

Every Anchor product is backed by a 1-year warranty covering early product failure or manufacturing defects.

Normal wear and tear, accidental damage, misuse, or improper installation are not covered.

For warranty support, email support@anchorstrapco.com with your order number and a brief description (photos help).

Full Warranty Details

Kumamoto Bracelet for Seiko Alpinist 

Inspired by the timeless Rolex Oyster design, the Kumamoto Bracelet brings refined strength and everyday wearability to your Seiko Alpinist. Precision-engineered for a seamless fit, this bracelet adds a bold, brushed steel presence to your wrist—without overpowering the clean, understated lines of the case.

Named after Kumamoto, a coastal Japanese city known for its oysters and steelwork legacy, this bracelet captures both durability and style. It features solid stainless steel links, a tapered profile (20mm-16mm), and a robust milled clasp with micro-adjustments for a tailored fit. The entire bracelet, end-link and clasp assembly are constructed from high-end, corrosion resistant 316L stainless steel. 

Purchase includes: (1) 20mm Kumamoto bracelet, (1) Pair of Seiko Aplinist end-links, (1) Anchor Flip-lock clasp. 

Compatible with:

  • SPB121
  • SPB50X Series (SPB503, SPB505, SPB507)

Specs:

  • Material: Premium corrosion resistant 316L Stainless Steel, solid links with screw links for easy adjustment. 

  • End Link: Custom molded for Seiko fitment

  • Width: 20mm at lugs, tapering to 16mm at the clasp

  • Clasp: Brushed, corrosion resistant 316L stainless steel flip-lock deployant clasp with 6 holes of micro-adjustment for the perfect fit. 

  • Water- and sweat-resistant

Whether you're elevating your daily driver or bridging the gap between sport and dress, the Kumamoto Bracelet is the upgrade your watch deserves.

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