Seiko Cal. 6389 - 408

The 6389-408 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6389 caliber with 36j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-254376282d49]

Also known as: Sumo, Shogun

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1974

Related Models

• Seiko 4526-763
• Seiko 4578-476
• Seiko 5220-825
• Seiko 0729-576
• Seiko 6210-424
• Seiko 6269-640
• Seiko 6682-202
• Seiko 7121-135
• Seiko 6319-424
• Seiko 6398-408
• Seiko 5266-529
• Seiko 6283-671