Seiko Cal. 3820 - 236

The Seiko 3820-236 represents an important milestone in Seiko's 1983 lineup. It features a Navy dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-5d7ec2c6fb56]

Also known as: Bullhead, Arnie

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1983

Related Models

• Seiko 4435-808
• Seiko 5211-556
• Seiko 6333-180
• Seiko 7064-628
• Seiko 7187-576
• Seiko 4572-121
• Seiko 6374-742
• Seiko 7110-101
• Seiko 5616-928
• Seiko 0755-279
• Seiko 4588-858
• Seiko 5223-540