Seiko Cal. 3843 - 671

The Seiko 3843-671 represents an important milestone in Seiko's 1983 lineup. With its 21mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-36d39122a1dd]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1983

Related Models

• Seiko 6288-529
• Seiko 6145-687
• Seiko 6398-208
• Seiko 6389-885
• Seiko 6386-554
• Seiko 6377-328
• Seiko 6144-221
• Seiko 3865-574
• Seiko 7169-756
• Seiko 4474-192
• Seiko 6299-264
• Seiko 6135-679