Seiko Cal. 6398 - 678

This Automatic model from 1999 features a 38mm Hardlex-Coated Steel case. Powered by the 6398 caliber with 30j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-41907b2dd2d3]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1999

Related Models

• Seiko 6677-872
• Seiko 4543-482
• Seiko 3881-556
• Seiko 4597-485
• Seiko 6248-604
• Seiko 3888-551
• Seiko 6276-850
• Seiko 0732-364
• Seiko 4412-788
• Seiko 6241-376
• Seiko 7139-714
• Seiko 5620-259