Seiko Cal. 3863 - 521

This Quartz model from 1980 features a 39mm PVD Black case. Powered by the 3863 caliber with 23j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-bdd48f19a593]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1980

Related Models

• Seiko 6210-528
• Seiko 4588-930
• Seiko 6345-705
• Seiko 5695-882
• Seiko 7045-352
• Seiko 7074-420
• Seiko 6271-833
• Seiko 3839-126
• Seiko 7091-126
• Seiko 6171-358
• Seiko 6624-395
• Seiko 6638-532