Seiko Cal. 3863 - 144

This Spring Drive model from 1972 features a 36mm Gold-Plated case. With its 18mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-acc286cfaf06]

Also known as: World Timer, Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1972

Related Models

• Seiko 5231-643
• Seiko 6245-992
• Seiko 4470-596
• Seiko 6355-927
• Seiko 4572-196
• Seiko 7035-158
• Seiko 4413-460
• Seiko 5616-546
• Seiko 7024-771
• Seiko 4512-847
• Seiko 6236-316
• Seiko 4510-496