Seiko Cal. 6394 - 643

The 6394-643 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6394 caliber with 30j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-bd50eac28c52]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1977

Related Models

• Seiko 4475-345
• Seiko 6644-915
• Seiko 7150-153
• Seiko 7050-756
• Seiko 6110-351
• Seiko 7131-828
• Seiko 3857-542
• Seiko 6643-308
• Seiko 6327-486
• Seiko 4428-229
• Seiko 6162-357
• Seiko 5244-555