Seiko Cal. 6678 - 419

This Solar model from 1970 features a 42mm Titanium case. Powered by the 6678 caliber with 27j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-6c34e2070d84]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1970

Related Models

• Seiko 7123-143
• Seiko 6696-470
• Seiko 6629-748
• Seiko 4573-837
• Seiko 5696-961
• Seiko 6269-923
• Seiko 4430-648
• Seiko 4417-556
• Seiko 7186-900
• Seiko 7050-147
• Seiko 7087-463
• Seiko 0736-188