This is the JDM version of the Seiko Prospex SPB237, also known as the 'Captain Willard' re-interpretation. It features a 42.7mm automatic diver with a 6R35 movement and a 70-hour power reserve.

• Condition: Like new, no service history
• Movement: 6R35, Automatic, manual winding, 24 jewels
• Power reserve: 70 hours
• Case diameter: 42.7mm

This listing is for the JDM Seiko SBDC143/SPB237 Willard 'Grey Birch' variant, considered by some to be one of Seiko's best Willard models. The watch comes with its original box, papers, and accessories, including an OEM bracelet.

• Condition: good, out of spec (+30-40 seconds a day)
• Case dimensions: 42mm x 13mm x 46mm
• Strap: seichu strap

Up for sale is a Seiko Captain Willard SPB237 / SBDC143 (JDM) 'Grey Birch' featuring original packaging, OEM green nato strap, and OEM Seiko bracelet as extra.

• Color: Grey Birch
• Includes: original packaging, OEM green nato strap, OEM Seiko bracelet