Seiko Cal. 6664 - 521

This Kinetic model from 1988 features a 40mm Stainless Steel case. Powered by the 6664 caliber with 24j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-ad791e130ef8]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1988

Related Models

• Seiko 7095-315
• Seiko 5228-645
• Seiko 6399-633
• Seiko 4535-902
• Seiko 5268-975
• Seiko 5640-249
• Seiko 6393-968
• Seiko 0784-726
• Seiko 6389-787
• Seiko 7189-696
• Seiko 0780-297
• Seiko 4530-257