Genuine Seiko Watch Band RS05C18BN 18-16 – 18 mm, calfskin with crocodile embossing, brown, deployant clasp (JDM)

Genuine Seiko replacement strap , model RS05C18BN , designed for an 18 mm (≈ 0.7 inch) lug width . The strap is made of high-quality calfskin leather with a classic crocodile pattern and features an original Seiko folding clasp . This is a new item from the official Seiko replacement strap program and is not regularly available from Seiko Germany .

The brown leather surface features a uniform, finely crafted embossing with a subtle sheen. The underside is made of smooth, skin-friendly leather. The reverse of the strap is clearly embossed with the SEIKO logo and the width specification, unequivocally confirming its classification as an original OEM replacement part.

A key feature of this model is the Seiko folding clasp , which reduces wear on the leather, increases wearing comfort and is typically only used on higher-quality Seiko straps.

Details & Specifications:

• Manufacturer: Seiko
• Model / Reference: RS05C18BN
• Lug width: 18 mm
• Material: Calfskin with crocodile embossing
• Color: Brown
• Design: padded, neatly stitched edges
• Clasp: Original Seiko deployant clasp, stainless steel
• Condition: New , unworn
• Features: Quick-release spring bars for tool-free belt changes
• Back: Seiko logo and size indication

Use & Classification:
This watch strap is aimed at wearers seeking an original Seiko replacement strap with superior features. The combination of calfskin leather and a folding clasp is particularly well-suited for high-end dress and business models, offering a more durable alternative to classic pin buckle straps.