Seiko Cal. 3821 - 987

Released in 1989, the Cal. 3821 with design code 987 was part of Seiko's domestic market collection. With its 20mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-b3f7db1797ba]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1989

Related Models

• Seiko 6680-949
• Seiko 0792-153
• Seiko 6320-907
• Seiko 6120-238
• Seiko 6323-951
• Seiko 5288-790
• Seiko 4584-179
• Seiko 4578-231
• Seiko 7052-598
• Seiko 4488-454
• Seiko 5619-722
• Seiko 7150-907