Seiko Cal. 5666 - 220

The Seiko 5666-220 represents an important milestone in Seiko's 1968 lineup. It features a Silver dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-4e1749f73394]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1968

Related Models

• Seiko 5626-831
• Seiko 6124-125
• Seiko 7180-661
• Seiko 3815-573
• Seiko 7028-129
• Seiko 6648-515
• Seiko 7187-105
• Seiko 6378-656
• Seiko 6698-351
• Seiko 5227-420
• Seiko 6144-494
• Seiko 4554-632