Seiko Cal. 7155 - 618

The Seiko 7155-618 represents an important milestone in Seiko's 1976 lineup. With its 20mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-25129084c84f]

Also known as: Helmet, Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1976

Related Models

• Seiko 0729-178
• Seiko 5653-833
• Seiko 4487-134
• Seiko 5626-388
• Seiko 7121-796
• Seiko 0796-207
• Seiko 6227-454
• Seiko 4440-402
• Seiko 0715-359
• Seiko 4482-853
• Seiko 5643-154
• Seiko 7161-898