Seiko Cal. 6678 - 596

The Seiko 6678-596 represents an important milestone in Seiko's 1965 lineup. Powered by the 6678 caliber with 18j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-c44673d58fc6]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1965

Related Models

• Seiko 0731-523
• Seiko 5690-495
• Seiko 0786-153
• Seiko 6389-622
• Seiko 4599-994
• Seiko 4486-288
• Seiko 6119-248
• Seiko 7095-911
• Seiko 0774-172
• Seiko 5225-373
• Seiko 4562-181
• Seiko 0715-177