Seiko Cal. 5660 - 415

The Seiko 5660-415 represents an important milestone in Seiko's 1981 lineup. It features a Navy dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-f6dce3c50c58]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1981

Related Models

• Seiko 0737-624
• Seiko 0747-667
• Seiko 6667-388
• Seiko 5654-848
• Seiko 5231-795
• Seiko 7014-104
• Seiko 6136-673
• Seiko 4550-544
• Seiko 6155-344
• Seiko 3858-281
• Seiko 7196-334
• Seiko 5614-441