Seiko Cal. 6389 - 409

The Seiko 6389-409 represents an important milestone in Seiko's 1985 lineup. Powered by the 6389 caliber with 30j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-5028ca578bfe]

Also known as: Monster, Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1985

Related Models

• Seiko 6177-271
• Seiko 3819-955
• Seiko 4521-292
• Seiko 4523-360
• Seiko 5249-269
• Seiko 5613-953
• Seiko 5211-932
• Seiko 6369-470
• Seiko 6652-163
• Seiko 6186-586
• Seiko 4430-893
• Seiko 4558-453