Seiko Cal. 6664 - 682

The Seiko 6664-682 represents an important milestone in Seiko's 1991 lineup. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-8f798b02bc42]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1991

Related Models

• Seiko 3839-433
• Seiko 6260-726
• Seiko 6255-333
• Seiko 6675-818
• Seiko 6361-661
• Seiko 6167-452
• Seiko 4519-497
• Seiko 4428-841
• Seiko 4572-236
• Seiko 7048-470
• Seiko 0798-360
• Seiko 7139-531