Seiko Cal. 7164 - 391

The Seiko 7164-391 represents an important milestone in Seiko's 1970 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-2b29180011f0]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1970

Related Models

• Seiko 5649-830
• Seiko 6673-313
• Seiko 5679-217
• Seiko 4455-638
• Seiko 6638-985
• Seiko 6363-696
• Seiko 7141-717
• Seiko 6235-413
• Seiko 6143-444
• Seiko 7132-144
• Seiko 4424-181
• Seiko 6191-382