Seiko Cal. 6678 - 144

This Quartz model from 1979 features a 43mm PVD Black case. With its 22mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-2d4aab16dc43]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1979

Related Models

• Seiko 3875-925
• Seiko 7191-512
• Seiko 5290-764
• Seiko 6676-397
• Seiko 5228-333
• Seiko 4562-619
• Seiko 7172-201
• Seiko 3877-408
• Seiko 5242-925
• Seiko 5247-999
• Seiko 6154-967
• Seiko 5642-111