Seiko Cal. 6398 - 229

The 6398-229 is a sought-after Automatic piece from Seiko's golden era. With its 18mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-6a3dfcd57714]

Also known as: Helmet, Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1965

Related Models

• Seiko 6321-557
• Seiko 6134-429
• Seiko 4557-879
• Seiko 7131-409
• Seiko 6143-894
• Seiko 7135-237
• Seiko 3869-541
• Seiko 7048-159
• Seiko 6235-711
• Seiko 5211-726
• Seiko 6195-351
• Seiko 6646-876