Seiko Cal. 3831 - 901

The Seiko 3831-901 represents an important milestone in Seiko's 1976 lineup. With its 21mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-82645666041e]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1976

Related Models

• Seiko 5253-996
• Seiko 6692-789
• Seiko 4493-112
• Seiko 5218-657
• Seiko 4558-200
• Seiko 7070-167
• Seiko 5669-601
• Seiko 6327-823
• Seiko 7095-155
• Seiko 4442-176
• Seiko 5290-813
• Seiko 6684-591