Seiko Cal. 3899 - 797

The Seiko 3899-797 represents an important milestone in Seiko's 1990 lineup. With its 20mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-9ee487af1bba]

Also known as: Sumo, Bullhead

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1990

Related Models

• Seiko 4594-152
• Seiko 4489-695
• Seiko 6166-596
• Seiko 0725-134
• Seiko 6257-854
• Seiko 7195-831
• Seiko 6194-181
• Seiko 5690-971
• Seiko 5635-719
• Seiko 5688-652
• Seiko 6180-469
• Seiko 7147-673