Seiko Cal. 3870 - 486

The Seiko 3870-486 represents an important milestone in Seiko's 1969 lineup. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-d2adde7d452d]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1969

Related Models

• Seiko 5278-372
• Seiko 0763-234
• Seiko 3884-693
• Seiko 6234-614
• Seiko 6632-818
• Seiko 3823-530
• Seiko 6648-644
• Seiko 0747-281
• Seiko 0750-691
• Seiko 6619-498
• Seiko 6636-670
• Seiko 4477-595