So far Seiko released 18 different Turtles since the re-edition in 2015. Here an overview. All of the re-issue New Seiko Turtle use the caliber 4R36 automatic movement which beats at 3Hz (21,6000 kph), with a power reserve of approximately 40 hours.
SEIKO PROSPEX TURTLE
K models are most likely produced in Malaysia
J models are produced in Japan, with extra print on dial
Standard releases
✓ SRP773K1 : Blue
✓ SRP775K1 : Two Tone
✓ SRP777K1 : Black
✓ SRP779K1 : Pepsi
✓ SRP787K1 : Batman
✓ SRP789K1 : Coke
✓ SRPC23K1 : Grey Sunburst
✓ SRPC25K1 : Blue Sunburst
Special Editions
✓ SRPA21K1 : Padi Pepsi
Limited Editions
✓ SRPB01K1 : Green for Asia 3500 pcs
✓ SRPA19K1 : Zimbe/Grey for Thailand 1290 pcs
✓ SRPB11K1 : Blue Lagoon 6000 pcs
✓ SRPC49K1 : Black PVD Black bezel
✓ SRPC44K1 : Goldtone black
✓ SRPC48J1 : Black PVD Gold Bezel Asia
✓ SRPC91K1 : Blue Save the Ocean
✓ SRPC95K1 : Orange
✓ SRPD01K1 : Dawn Grey Eu 2018 pcs
The Specifications that are common to all of the New Turtles are as follows;
Movement : 4R36 automatic with hacking and hand winding, 21,6k BPH, approx. 40 hrs power reserve
Day/Date display
Screwdown crown and caseback
Uni-directional bezel
Case diameter : 44.3mm
Thickness : 13.2mm
Lug to Lug: 48mm
Water Resistance: Diver’s Watch 200 meters (660 feet). Meets ISO standards and is suitable for scuba diving
Lume : Seiko Lumibrite on hands and markers
Crystal: Hardlex (Except Thai Special Edition SRPA19 , which has a sapphire crystal with cyclops)
Bracelet: Stainless Bracelet with Diver extension or silicon rubber