Seiko Cal. 5661 - 659

This Automatic model from 1969 features a 43mm Stainless Steel case. With its 20mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-52887de2920e]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1969

Related Models

• Seiko 6692-670
• Seiko 5676-736
• Seiko 4532-527
• Seiko 3879-684
• Seiko 7117-866
• Seiko 6131-434
• Seiko 7181-154
• Seiko 6631-824
• Seiko 5223-102
• Seiko 3825-673
• Seiko 6311-465
• Seiko 4576-779