Seiko Cal. 7181 - 256

The Seiko 7181-256 represents an important milestone in Seiko's 1981 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-eae0f4fe4534]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1981

Related Models

• Seiko 7173-725
• Seiko 4565-155
• Seiko 6384-192
• Seiko 4537-169
• Seiko 6347-946
• Seiko 6638-608
• Seiko 0754-992
• Seiko 0713-327
• Seiko 3816-250
• Seiko 7157-360
• Seiko 5628-513
• Seiko 6681-825