Seiko Cal. 6399 - 123

The 6399-123 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-808f92ee3a0b]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1990

Related Models

• Seiko 6158-158
• Seiko 4466-258
• Seiko 5665-966
• Seiko 3845-648
• Seiko 6314-504
• Seiko 7010-701
• Seiko 7180-560
• Seiko 6284-191
• Seiko 5613-600
• Seiko 7162-325
• Seiko 3865-286
• Seiko 4527-285