Seiko Cal. 5660 - 509

The 5660-509 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5660 caliber with 33j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-0cfd64386d81]

Also known as: Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1994

Related Models

• Seiko 0772-899
• Seiko 7092-241
• Seiko 3888-900
• Seiko 6167-422
• Seiko 5285-459
• Seiko 6357-326
• Seiko 7135-944
• Seiko 4414-743
• Seiko 6211-793
• Seiko 0737-280
• Seiko 6110-372
• Seiko 5623-225