• Automatic Movement 24 Jewels

• 50 Meters / 165 Feet / 5 ATM Water Resistant

• 41mm Case Diameter

• Hardlex Crystal

Product Specifications

Watch Information

Brand, Seller, or Collection Name: Seiko

Model number: SSA231K1

Part Number: SSA231K1

Model Year: 2015

Item Shape: Round

Dial window material

• Automatic Movement 24 Jewels

• 50 Meters / 165 Feet / 5 ATM Water Resistant

• 41mm Case Diameter

• Hardlex Crystal

Product Specifications

Watch Information

Brand, Seller, or Collection Name: Seiko

Model number: SSA231K1

Part Number: SSA231K1

Model Year: 2015

Item Shape: Round

Dial window material type: Hardlex

Display Type: Analog

Clasp: Buckle

Case material: Stainless steel

Case diameter: 41

Case Thickness: 13 millimeters

Band Material: Calfskin

Band length: Men's Standard

Band width: 20 millimeters

Band Colour: Brown

Dial colour: White

Bezel material: Stainless steel Silver tone

Special features: measures-seconds

Item weight: 2.88 Ounces

Movement: Japanese automatic

Water resistant depth: 50 Meters

Technical Details

• Distance between lugs in mm/inches:  48 / 121.92

• Width of the Strap in mm/Inches:  20 / 50.8

• Diameter (without crown) in mm/inches:  41 / 104.14

• Weight in g/ounces:  79 / 2.79

• Height in mm/inches:  13 / 33.02

• Maximal Strap Circumference in mm/inches:  210 / 533.4

• Water-restistant (m/bar):  50 / 5.0