Seiko Cal. 3870 - 347

The Seiko 3870-347 represents an important milestone in Seiko's 1994 lineup. It features a Cream dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-17c327b3ce88]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1994

Related Models

• Seiko 6387-288
• Seiko 7146-122
• Seiko 0794-533
• Seiko 6658-773
• Seiko 5241-967
• Seiko 5224-293
• Seiko 5230-156
• Seiko 4518-641
• Seiko 6165-760
• Seiko 7134-581
• Seiko 6374-619
• Seiko 7151-527