Seiko Cal. 7180 - 947

The Seiko 7180-947 represents an important milestone in Seiko's 1977 lineup. With its 20mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-2aec645daacd]

Also known as: Bullhead, Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1977

Related Models

• Seiko 4522-264
• Seiko 6338-647
• Seiko 3840-630
• Seiko 6618-994
• Seiko 4469-317
• Seiko 6128-279
• Seiko 6190-647
• Seiko 4560-944
• Seiko 4474-270
• Seiko 4514-274
• Seiko 6294-541
• Seiko 5217-842