Seiko Cal. 3813 - 520

This Spring Drive model from 1993 features a 38mm Stainless Steel case. It features a Navy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-eb492e7e80b8]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1993

Related Models

• Seiko 5271-821
• Seiko 6276-842
• Seiko 0729-343
• Seiko 4454-872
• Seiko 4459-759
• Seiko 4517-217
• Seiko 3897-842
• Seiko 7028-104
• Seiko 6343-876
• Seiko 5261-980
• Seiko 5226-340
• Seiko 6683-647