Seiko Cal. 6678 - 729

The Seiko 6678-729 represents an important milestone in Seiko's 1984 lineup. Powered by the 6678 caliber with 33j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-f0c1b1488006]

Also known as: Sumo, Shogun

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1984

Related Models

• Seiko 6274-369
• Seiko 6335-417
• Seiko 6685-906
• Seiko 7152-881
• Seiko 7091-866
• Seiko 0726-569
• Seiko 7190-409
• Seiko 7041-398
• Seiko 5252-384
• Seiko 4498-653
• Seiko 0755-122
• Seiko 7030-898