20mm Crafter Blue - MX03-143 Black FKM Rubber Strap With End Links For Seiko 63MAS Diver 40.50mm SPB143 SPB145

The Crafter Blue MX03-143 FKM rubber strap is specially designed for Seiko 1965 Heritage Diver 40.50mm models (SPB143, SPB145, SPB147) with 20mm lugs. Crafted from pure vulcanized FKM rubber for enhanced durability and resistance to oils and acids, it features integrated stainless steel end links that seamlessly blend with the Seiko Heritage Diver's lugs. The strap offers a customizable fit through its cut-to-size design and includes a robust brushed stainless steel clasp with multiple micro-adjustment holes. Each package comes with replacement spring bars for convenient installation.

Watch Bands Lookbook demo watches by Strapcode: Seiko SPB147 Prospex Diver 62MAS Reissue Black Dial
Compatible model list:

Design to fit : Seiko 1965 Heritage Diver SPB143, SPB145, SBP147, SPB149
Item no.: MX03-143-A-20A18BZZCL
Brand Name: Crafter Blue
Lug width: 20mm
Buckle size: 18mm
Buckle Include: Yes
Buckle type / Finish: Brushed 316L Stainless Steel Diver Clasp
Overall Length (not including buckle): 100mm 100mm
Wrist size range (in case 40mm watch): min. 152mm - max. 210mm
Thickness: Approx. 5.0mm - 3.0mm
Spring Bar hole diameter: 1.78mm (included)
Material: Pure vulcanized FKM rubber anti-UV, anti-dust and anti-allergic
Color / Pattern: Black
Lug end style: Curved End
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