Seiko Cal. 5668 - 606

The Seiko 5668-606 represents an important milestone in Seiko's 1975 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-66886728d436]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1975

Related Models

• Seiko 7065-860
• Seiko 4495-341
• Seiko 5625-510
• Seiko 3872-816
• Seiko 5255-794
• Seiko 3859-554
• Seiko 4434-792
• Seiko 3877-783
• Seiko 4510-705
• Seiko 6258-619
• Seiko 6112-542
• Seiko 4459-956