Seiko Cal. 6664 - 897

The Seiko 6664-897 represents an important milestone in Seiko's 1983 lineup. With its 22mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-e9d73d84874e]

Also known as: Helmet, UFO

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1983

Related Models

• Seiko 5671-469
• Seiko 6291-248
• Seiko 0755-958
• Seiko 4557-576
• Seiko 4528-115
• Seiko 5648-972
• Seiko 7084-108
• Seiko 0779-378
• Seiko 6156-916
• Seiko 5238-537
• Seiko 0714-852
• Seiko 0727-404