Seiko recently released one new variant each to their incredibly popular and collectible ?Samurai? and ?Turtle? lines. The SRPD21 Turtle and SRPD23 Samurai are part of the highly capable Prospex series of professional dive watches, and these particular versions both include bright blue dials with intricate wave patterns (and a cameo appearance from the ultimate Alpha predator). These are both part of Seiko?s ?Save the Ocean? series, with proceeds from sales benefitting the Fabien Cousteau Ocean Learning Center, a non-profit dedicated to raising awareness of ways we can protect ocean habitats and marine life.

Seiko Prospex SRPD21 “Turtle”

Case Material: Stainless steel
Dial: Blue
Dimensions: 45mm
Crystal: Hardlex 
Water Resistance: 200 meters
Crown: Screw down Movement: 4R36
Strap/bracelet: Bracelet
Price: $525
Expected Release: Available now

Seiko Prospex SRPD23 Samurai

Case Material: Stainless steel
Dial: Blue
Dimensions: 44mm
Crystal: Hardlex 
Water Resistance: 200 meters
Crown: Screw down
Movement: 4R35
Strap/bracelet: Bracelet
Price: $525
Expected Release: Available now

Both the Turtle and Samurai should be familiar to faithful Worn & Wound readers. Over the past two to three years, these have essentially become key dive watch platforms for Seiko as they?ve continuously introduced new color variants. The case shape of each is distinctive in different ways. The Turtle is a large cushion case design that?s inspired by a popular Seiko ref...