Seiko Cal. 3821 - 370

The Seiko 3821-370 represents an important milestone in Seiko's 1981 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-a383c31a6533]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1981

Related Models

• Seiko 4473-734
• Seiko 5679-131
• Seiko 5233-305
• Seiko 4441-121
• Seiko 3870-767
• Seiko 0767-412
• Seiko 6650-817
• Seiko 4540-600
• Seiko 6698-650
• Seiko 5695-863
• Seiko 0735-581
• Seiko 6669-795