Seiko Cal. 6660 - 354

The Seiko 6660-354 represents an important milestone in Seiko's 1985 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-293387e4f03e]

Also known as: UFO, Silverwave

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1985

Related Models

• Seiko 7116-409
• Seiko 5673-380
• Seiko 7031-604
• Seiko 6337-239
• Seiko 0739-137
• Seiko 7042-855
• Seiko 5622-386
• Seiko 4558-615
• Seiko 4511-779
• Seiko 6278-796
• Seiko 6168-311
• Seiko 5682-965