Seiko Cal. 6399 - 387

The 6399-387 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6399 caliber with 25j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-f1f80d526237]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1988

Related Models

• Seiko 6697-157
• Seiko 4515-505
• Seiko 7039-314
• Seiko 7184-634
• Seiko 7123-951
• Seiko 4534-862
• Seiko 5227-766
• Seiko 5692-708
• Seiko 6693-571
• Seiko 7037-863
• Seiko 0740-922
• Seiko 4537-437