Seiko Cal. 3879 - 813

The Seiko 3879-813 represents an important milestone in Seiko's 1991 lineup. With its 20mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-59e1276b189f]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1991

Related Models

• Seiko 0756-108
• Seiko 3882-719
• Seiko 7167-304
• Seiko 5625-464
• Seiko 6686-697
• Seiko 3840-639
• Seiko 7194-875
• Seiko 5644-187
• Seiko 6639-125
• Seiko 7183-474
• Seiko 4449-525
• Seiko 6646-163