Seiko Cal. 3831 - 838

The Seiko 3831-838 represents an important milestone in Seiko's 1966 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-a8f4dbbdb245]

Also known as: UFO, Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1966

Related Models

• Seiko 0738-189
• Seiko 0724-609
• Seiko 6669-725
• Seiko 5675-912
• Seiko 6182-967
• Seiko 0788-985
• Seiko 4559-512
• Seiko 6111-168
• Seiko 5279-371
• Seiko 3812-726
• Seiko 6249-707
• Seiko 7090-932