Seiko Cal. 3817 - 651

This Automatic model from 1986 features a 35mm PVD Black case. Powered by the 3817 caliber with 20j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-4a87c02f1b66]

Also known as: UFO, Silverwave

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1986

Related Models

• Seiko 6638-668
• Seiko 5257-729
• Seiko 6382-881
• Seiko 0712-342
• Seiko 4426-583
• Seiko 7114-935
• Seiko 7081-457
• Seiko 3811-371
• Seiko 4417-449
• Seiko 5679-468
• Seiko 0772-972
• Seiko 3820-377