Seiko Cal. 7181 - 997

Released in 1968, the Cal. 7181 with design code 997 was part of Seiko's domestic market collection. With its 19mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-eeef968deb1a]

Also known as: UFO, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1968

Related Models

• Seiko 3884-317
• Seiko 6365-358
• Seiko 4550-912
• Seiko 4464-386
• Seiko 3876-452
• Seiko 6267-183
• Seiko 6293-732
• Seiko 6633-324
• Seiko 0736-909
• Seiko 5644-194
• Seiko 7161-214
• Seiko 7050-921