Seiko Cal. 4481 - 220

This Spring Drive model from 1965 features a 44mm Stainless Steel case. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-ea1052026c57]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1965

Related Models

• Seiko 3851-562
• Seiko 5288-652
• Seiko 6298-950
• Seiko 6214-157
• Seiko 5630-556
• Seiko 7058-596
• Seiko 4526-367
• Seiko 7079-966
• Seiko 4567-635
• Seiko 0765-748
• Seiko 5655-397
• Seiko 6695-434