Seiko Cal. 5664 - 856

The Seiko 5664-856 represents an important milestone in Seiko's 1992 lineup. It features a Cream dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-565be37fd778]

Also known as: Helmet, Silverwave

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1992

Related Models

• Seiko 7161-982
• Seiko 3876-245
• Seiko 6688-627
• Seiko 4575-209
• Seiko 7170-731
• Seiko 4528-286
• Seiko 4442-766
• Seiko 5294-721
• Seiko 6650-721
• Seiko 6355-761
• Seiko 7051-971
• Seiko 6235-598