Seiko Cal. 3821 - 407

The 3821-407 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-f1bd48fb0ffd]

Also known as: Monster, Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1982

Related Models

• Seiko 5618-195
• Seiko 6367-613
• Seiko 0794-402
• Seiko 5221-203
• Seiko 4543-609
• Seiko 3867-816
• Seiko 0758-293
• Seiko 6613-953
• Seiko 6328-796
• Seiko 6364-546
• Seiko 4495-523
• Seiko 6666-874