Seiko Cal. 7181 - 143

This Hand-Winding model from 1975 features a 42mm Two-Tone case. With its 19mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-a938c3cf0261]

Also known as: Turtle, Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1975

Related Models

• Seiko 6124-593
• Seiko 7193-155
• Seiko 0780-165
• Seiko 5223-103
• Seiko 7095-611
• Seiko 7196-169
• Seiko 4468-273
• Seiko 6677-889
• Seiko 5644-230
• Seiko 7054-161
• Seiko 7183-648
• Seiko 7116-417