Seiko Cal. 6398 - 526

This Automatic model from 1970 features a 35mm PVD Black case. With its 19mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-b0d1eb7f29d4]

Also known as: Bullhead, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1970

Related Models

• Seiko 5681-507
• Seiko 6170-256
• Seiko 4463-345
• Seiko 5629-713
• Seiko 4448-996
• Seiko 6144-628
• Seiko 5215-762
• Seiko 4581-417
• Seiko 6129-500
• Seiko 6267-990
• Seiko 5655-197
• Seiko 6252-987