Seiko Cal. 5660 - 525

The Seiko 5660-525 represents an important milestone in Seiko's 1969 lineup. It features a White dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-31dcd1732d1e]

Also known as: UFO, Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1969

Related Models

• Seiko 6175-760
• Seiko 4481-697
• Seiko 6227-609
• Seiko 7065-505
• Seiko 0792-715
• Seiko 6158-980
• Seiko 6656-895
• Seiko 6211-688
• Seiko 5234-460
• Seiko 4525-502
• Seiko 6342-751
• Seiko 6141-655