This is the original replacement watch strap for the Seiko A781 4000, 400A, 4040 Digital

This watch band / bracelet is suitable for the following model numbers:

SBBY001, SBBY003, SBBY005, SBBY00C, SBBY00E

SBBY0011, SBBY0031, SBBY0051, SBBY00C1, SBBY00E1

This watch strap is suitable for the following case numbers:

A781-4000, A781-400A, A781-400B, A781-4040,

Product specifications:

Brand: Seiko

Article number: AL13B

Model number (s): SBBY001, SBBY003, SBBY005, SBBY00C, SBBY00E

Material of the watchband: rubber / silicone

Color(s) of the watchband: black,

Width at fitting (Lug width): 16 mm

Width at the widest part of the watchstrap: 22 mm

Width of the strap at clasp-side: 22 mm

Band length: 125 - 175 mm

Shape of the wristband at fitting is: Straight

Watchband type: Texture-printed-strap

Type of clasp: Buckle

Material of the clasp: stainless steel

Color of the clasp: grey

Seiko clasp-reference: -

Type of case-pins: Springbar - (NOT included)

Seiko case-pin reference: S160BS - (See related products)

Print / version: smooth

Other references: SEIKO AL13B 16 - STAINLESS STEEL