This is an original Seiko rubber strap with model number 4KR3JZ, known for its comfort, durability and iconic wave design. Perfect for both diving and everyday use. This strap is used on several of Seiko's original diving watches, and gives the watch an authentic and robust look.

Fits the following Seiko models, among others:

• Seiko SKX013
• Seiko SKX023
• Seiko SNM033
• Seiko SNM035
• Seiko Diver 4R15-00D0
• Seiko 5M62-0BL0
• -and other models with 20 mm box mount.

Specifications:

• Original Seiko product (mod. 4KR3JZ)
• Width at the case: 20 mm
• Width at the buckle: 20 mm
• Comes with stainless steel buckle
• Color: Black
• Material: Soft and durable rubber
• Perfect for diving watches and sports models

This strap is a popular choice for those who want to replace a worn original strap - or upgrade to Seiko's well-known comfort and quality.