Seiko Cal. 3870 - 978

This Quartz model from 1983 features a 34mm Titanium case. With its 19mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-68c9a86f176e]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1983

Related Models

• Seiko 6610-654
• Seiko 6144-533
• Seiko 5265-396
• Seiko 5653-301
• Seiko 7035-149
• Seiko 0767-509
• Seiko 6191-387
• Seiko 6695-887
• Seiko 6254-176
• Seiko 4596-617
• Seiko 6329-874
• Seiko 6124-417