Seiko Cal. 4431 - 971

The Seiko 4431-971 represents an important milestone in Seiko's 1977 lineup. It features a Green dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-4cca85158878]

Also known as: Shogun

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1977

Related Models

• Seiko 0715-105
• Seiko 5271-314
• Seiko 0710-570
• Seiko 6268-293
• Seiko 5687-981
• Seiko 5286-795
• Seiko 6669-555
• Seiko 6677-486
• Seiko 5269-863
• Seiko 0735-891
• Seiko 4477-863
• Seiko 4563-538