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$ 291

Prospex Shrouded Monster “Baby Tuna” Automatic Diver 200M

  • 1 year official warranty
  • Stainless Steel Case
  • Stainless Steel Bracelet
  • Automatic Movement
  • Caliber 4R36
  • Hardlex Crystal
  • Black Dial
  • Luminous Hands And Markers
  • One Way Rotating Elapsed Timing Bezel
  • Day And Date Display
  • Screw down Crown
  • Deployment Clasp
  • 200M Water Resistance

Out of stock


SEIKO Prospex SRP637K1 Specifications :

Model No. / Ref.SRP637K1
SeriesSeiko Prospex
also known as Shrouded Monster Baby Tuna
Release year2014
Driving systemAutomatic winding type with manual winding mechanism
Caliber No.4R36
Power reserve41 hours
Accuracy+ 45 / -35 seconds per day
CaseStainless steel
CasebackScrew caseback with tsunami divers logo
Glass materialHardlex Crystal
Dial colorBlack
BraceletStainless steel
BuckleThree fold clasp with secure lock, push button release with extender
LumiBriteHands and Markers
CalendarDay & Date Display at the 3 O’clock
Water resistant200M / 20 ATM Diver Certified 
Case diameter46.4 mm (without crown)
50 mm (with crown)
Case thickness15 mm
Band width22 mm
Max wrist size8.75 inch
Remark21,600 vibrations per hour
24 jewels
Unidirectional rotating stainless steel with carbon-titanium coating
Screw-down Crown
Weight after packingapprox. 1kg
What’s Inside BoxSeiko SRP637K1 Prospex Shrouded Monster Baby Tuna
1x Official Seiko Warranty Card
1x Manual Book
1x Seiko Box

Additional information

Weight1 kg
Dimensions5 × 5 × 2 cm

Service Center

Center NameAddressTelFax
Seiko Service Center JakartaJalan Melawai IX No. 46, Blok M, Jakarta Selatan, Indonesia+62-21-7208717+62-21-7201249
Seiko Service Center JakartaPlaza Senayan Lt 3 No. 353-A, Jakarta Pusat, Indonesia+62-21-5725689


Seiko Service Center JakartaLt Dasar No. 115-116, Gd. Harco Pasar Baru, Jakarta Pusat, Indonesia+62-21-3452335
Seiko Service Center SurabayaJalan Tunjungan No. 98-100, Surabaya, Indonesia+62-31-5474756


Seiko Service Center SurabayaPlaza Surabaya, Lt 1 No. 56-57, Surabaya, Indonesia+62-31-5316199
Seiko Service Center MedanJalan Cirebon No. 16, Medan, Indonesia+62-61-4149636
Seiko Service Center MedanSun Plaza Level 1, Blok C-32, Medan, Indonesia+62-61-4501505

Water Resistance

Water Resistant Chart

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