Seiko SRP639K1 Prospex Shrouded Monster Baby Tuna

Seiko SRP639K1 Prospex Shrouded Monster Baby Tuna


Diameter 46.4 mm

Thickness 15 mm

Stainless Steel

Hardlex Crystal Glass

Day and Date Display

Water Resistance 200M Divers



Model No. / Ref. SRP639K1

Series Seiko Prospex

also known as Shrouded Monster Baby Tuna

Release year 2014

Gender Man

Driving system Automatic winding type with manual winding mechanism

Caliber No. 4R36

Power reserve 41 hours

Accuracy + 45 / -35 seconds per day

Case Stainless steel

Caseback Screw caseback with tsunami divers logo

Glass material Hardlex Crystal

Dial color Black

Band Black Urethane

Buckle Normal Tang

LumiBrite Hands and Markers

Calendar Day & Date Display at the 3 O'clock

Water resistant 200M / 20 ATM Diver Certified

Case diameter 46.4 mm (without crown)

50 mm (with crown)

Case thickness 15 mm

Band width 22 mm

Max wrist size 8.75 inch

Remark 21,600 vibrations per hour

24 jewels

Unidirectional rotating stainless steel with carbon-titanium coating

Screw-down Crown

Weight after packing approx. 1kg

What's Inside Box 1x Seiko SRP639K1 Prospex Shrouded Monster Baby Tuna

1x Official Seiko Warranty Card

1x Manual Book

1x Seiko Box

Case Material
Stainless Steel
Case Shape
Glass Material
Mineral Crystal
Band Material
Band Width
20 mm
Case Diameter
46.4 mm
Case Thickness
15 mm
Water Resistant
20 ATM
1 year
5 item
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