Seiko Cal. 4531 - 311

The 4531-311 is a sought-after Kinetic piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-cd8e7a7bd557]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1996

Related Models

• Seiko 6281-919
• Seiko 0783-517
• Seiko 3855-282
• Seiko 6350-349
• Seiko 4535-418
• Seiko 6374-755
• Seiko 7069-753
• Seiko 6161-983
• Seiko 4511-981
• Seiko 0722-947
• Seiko 5244-559
• Seiko 6366-847