Seiko Cal. 5661 - 521

The Seiko 5661-521 represents an important milestone in Seiko's 1988 lineup. Powered by the 5661 caliber with 25j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-b788f50b080f]

Also known as: Goldfeather

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1988

Related Models

• Seiko 5688-154
• Seiko 7031-860
• Seiko 4570-368
• Seiko 5659-189
• Seiko 6651-119
• Seiko 5645-227
• Seiko 5691-957
• Seiko 6373-719
• Seiko 5623-123
• Seiko 6699-969
• Seiko 4495-341
• Seiko 4568-393