Seiko Cal. 5661 - 819

This Solar model from 1979 features a 40mm Stainless Steel case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-0afce7462f0b]

Also known as: UFO, Bellmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1979

Related Models

• Seiko 6678-233
• Seiko 3860-842
• Seiko 7159-838
• Seiko 6669-293
• Seiko 6144-656
• Seiko 6140-121
• Seiko 6266-127
• Seiko 3829-998
• Seiko 4431-498
• Seiko 3860-964
• Seiko 7184-637
• Seiko 6691-337