Seiko Cal. 4431 - 970

The Seiko 4431-970 represents an important milestone in Seiko's 1988 lineup. It features a Green dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-778304121be9]

Also known as: Samurai, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1988

Related Models

• Seiko 6644-349
• Seiko 4448-898
• Seiko 7016-595
• Seiko 4518-642
• Seiko 6376-915
• Seiko 0785-678
• Seiko 6232-289
• Seiko 5649-828
• Seiko 6683-694
• Seiko 3870-800
• Seiko 6684-715
• Seiko 6121-377