Seiko Cal. 3870 - 187

This Solar model from 1992 features a 40mm Two-Tone case. With its 18mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-5ae2249e2898]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1992

Related Models

• Seiko 4595-315
• Seiko 6676-187
• Seiko 6356-535
• Seiko 5247-937
• Seiko 6652-461
• Seiko 6635-777
• Seiko 4484-228
• Seiko 5698-297
• Seiko 5288-567
• Seiko 6259-709
• Seiko 7144-515
• Seiko 3827-706