A Seiko SPB317, also known as the 'Slim Turtle', in excellent condition with minimal wear on the metal keeper. The watch includes its original rubber strap, an Uncle Straps Z199, and a full kit of accessories.

• Condition: Excellent
• Strap: OEM rubber strap and Uncle Straps Z199 with extra links
• Box: Inner and outer box included

This is one of the most comfortable Seiko divers out there, with a slimmer case that wears incredibly well and sits much flatter than a standard Turtle. It has excellent lume, great proportions, and is a very versatile everyday diver.

• Condition: Like New
• Case size: 41mm
• Thickness: 12.3mm
• Water resistance: 200m

The Seiko SPB317 is a beautiful and super comfortable diver with great lume, made in Japan.

• Condition: Excellent
• Origin: Made in Japan
• Water Resistance: Unknown

A slim Seiko SPB317 Willard in great condition with no indication of wear. The watch comes with a full set, including the Uncle Seiko Senator Bracelet.

• Condition: Excellent
• Strap Count: 2

Up for sale is my Seiko Prospex SPB317, also known as the “Slim Turtle” — one of the best modern daily divers Seiko has put out in recent years. It has a 41mm case and 46.9mm lug-to-lug.

• Condition: Excellent overall condition
• Case Size: 41mm diameter
• Thickness: 12.3mm
• Lug To Lug: 46.9mm

This Seiko SPB317 Slim Turtle is a great shape overall, but has a small ding on the bezel at 12 o'clock.

• Condition: Very Good
• Case size: 40.5mm
• Movement type: Automatic (6R35)
• Depth rating: 200m

This Seiko SPB317 'Slim Turtle' is a full set including the Uncle Seiko Z199 bracelet and three straps. The watch is in excellent condition with no noticeable scratches, and it features a great bezel rotation and lume.

• Condition: Excellent
• Bracelet: Uncle Seiko Z199
• Clasp: Upgraded double pusher clasp
• Accuracy: -10s/d when low power, a couple s/d slow at full

For sale is my Seiko Prospex SPB317 Slim Turtle, a pre-owned watch in very good condition.

• Condition: Pre-owned - very good
• Accessories: stock rubber strap, inner box, outer box, hangtag, warranty card

A Seiko SPB317 in like new condition, dating to December 2025 based on the serial number, with original accessories.

• Condition: like new, BNIB (Brand New In Box)
• Case materials: steel
• Strap included: yes