Seiko Cal. 5231 - 971

This Kinetic model from 1969 features a 40mm PVD Black case. It features a Green dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-9318cf7fd56a]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1969

Related Models

• Seiko 5638-953
• Seiko 7036-592
• Seiko 6271-245
• Seiko 6681-104
• Seiko 3870-270
• Seiko 6678-829
• Seiko 0735-578
• Seiko 4560-723
• Seiko 4481-816
• Seiko 6215-140
• Seiko 6288-674
• Seiko 4551-561