Seiko Cal. 4444 - 313

The Seiko 4444-313 represents an important milestone in Seiko's 1970 lineup. It features a Black dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-d8d82e26840d]

Also known as: Helmet, Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1970

Related Models

• Seiko 6160-435
• Seiko 7091-729
• Seiko 6617-539
• Seiko 6332-105
• Seiko 4470-889
• Seiko 4586-748
• Seiko 6157-150
• Seiko 6344-521
• Seiko 3873-496
• Seiko 5630-777
• Seiko 7194-319
• Seiko 5673-966