Seiko Cal. 4581 - 121

Released in 1980, the Cal. 4581 with design code 121 was part of Seiko's domestic market collection. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-a50224ae4ed8]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1980

Related Models

• Seiko 4482-659
• Seiko 6350-199
• Seiko 6219-751
• Seiko 6347-417
• Seiko 6690-500
• Seiko 0746-888
• Seiko 4512-183
• Seiko 6166-249
• Seiko 5230-413
• Seiko 7160-509
• Seiko 7028-185
• Seiko 3885-881