Seiko Cal. 5666 - 240

The 5666-240 is a sought-after Kinetic piece from Seiko's golden era. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-db83818dc5d2]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1968

Related Models

• Seiko 7180-253
• Seiko 6328-825
• Seiko 5683-474
• Seiko 5278-758
• Seiko 5649-249
• Seiko 3872-516
• Seiko 4520-354
• Seiko 5241-904
• Seiko 7014-542
• Seiko 5695-368
• Seiko 5620-293
• Seiko 6335-425