Seiko Prospex SPB237J1 SPB237 Turtle Diver Automatic

Movement
Caliber Number

6R35
Movement Type

Automatic with manual winding
Accuracy

+25 to -15 seconds per day
Duration

Approx. 70 hours
Exterior
Case Material

Stainless steel (super hard coating)
Crystal

Curved sapphire crystal
Crystal Coating

Anti-reflective coating on inner surface
LumiBrite

Lumibrite on hands, indexes and bezel
Band Material

Polyester
Other Details
Water Resistance

200m / 660ft diver's
Case Size
Thickness: 13.2
㎜
Diameter: 42.7
㎜
Length: 46.6
㎜
Weight
106.0
g
Other Specifications

Screw case back
Screw-down crown
Unidirectional rotating bezel

Other Features

24 jewels
Date display
Stop seconds hand function