Seiko Cal. 3866 - 987

The Seiko 3866-987 represents an important milestone in Seiko's 1987 lineup. Powered by the 3866 caliber with 25j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-a14fb90b32b9]

Also known as: Samurai, Shogun

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1987

Related Models

• Seiko 7166-790
• Seiko 6291-657
• Seiko 6675-492
• Seiko 7019-935
• Seiko 0753-415
• Seiko 0755-908
• Seiko 5261-624
• Seiko 0793-605
• Seiko 4519-808
• Seiko 4576-642
• Seiko 7143-827
• Seiko 6143-128