Seiko Cal. 5661 - 899

This Spring Drive model from 1987 features a 38mm Stainless Steel case. With its 22mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-c8f477f4997b]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1987

Related Models

• Seiko 4533-294
• Seiko 3881-228
• Seiko 4535-789
• Seiko 5216-849
• Seiko 5665-539
• Seiko 7079-258
• Seiko 4576-625
• Seiko 6150-972
• Seiko 4519-627
• Seiko 7166-226
• Seiko 5664-454
• Seiko 5627-654