Seiko Cal. 5660 - 920

The 5660-920 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5660 caliber with 26j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-4a3dff1ce5c0]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1994

Related Models

• Seiko 6621-856
• Seiko 4489-167
• Seiko 7088-876
• Seiko 6182-499
• Seiko 6259-427
• Seiko 6293-966
• Seiko 6669-891
• Seiko 5291-961
• Seiko 3842-497
• Seiko 4584-930
• Seiko 7194-177
• Seiko 3854-896