Seiko Cal. 3863 - 877

The Seiko 3863-877 represents an important milestone in Seiko's 1979 lineup. With its 20mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-9443399a01be]

Also known as: UFO, Rally

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1979

Related Models

• Seiko 7199-491
• Seiko 7159-576
• Seiko 3879-848
• Seiko 6132-399
• Seiko 4434-677
• Seiko 6217-268
• Seiko 6360-289
• Seiko 6614-529
• Seiko 5217-431
• Seiko 0753-995
• Seiko 5634-650
• Seiko 3875-634