Seiko Cal. 4431 - 907

The 4431-907 is a sought-after Kinetic piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-960c175e5eed]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1970

Related Models

• Seiko 0750-628
• Seiko 3882-250
• Seiko 4485-646
• Seiko 5648-163
• Seiko 5286-616
• Seiko 6174-643
• Seiko 0796-300
• Seiko 4448-258
• Seiko 6653-889
• Seiko 5630-509
• Seiko 5673-333
• Seiko 6115-917