Seiko Cal. 4527 - 880

This Spring Drive model from 1967 features a 40mm Two-Tone case. Powered by the 4527 caliber with 27j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-04a756e94a02]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1967

Related Models

• Seiko 7081-569
• Seiko 0714-613
• Seiko 5676-189
• Seiko 0729-934
• Seiko 7013-655
• Seiko 5276-747
• Seiko 0760-249
• Seiko 0736-723
• Seiko 3812-364
• Seiko 6259-154
• Seiko 7031-348
• Seiko 6650-831