Seiko Cal. 6143 - 440

This Spring Drive model from 1967 features a 38mm PVD Black case. With its 18mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-f8526476de91]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1967

Related Models

• Seiko 3878-218
• Seiko 7086-701
• Seiko 6350-172
• Seiko 4499-700
• Seiko 4577-796
• Seiko 5621-166
• Seiko 7116-939
• Seiko 5615-709
• Seiko 5261-254
• Seiko 3875-412
• Seiko 6281-331
• Seiko 4585-318