Seiko Cal. 3820 - 746

This Hand-Winding model from 1985 features a 36mm PVD Black case. With its 18mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-afe78aaf83c5]

Also known as: Crown, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1985

Related Models

• Seiko 4451-534
• Seiko 6177-874
• Seiko 6163-984
• Seiko 0735-526
• Seiko 6342-256
• Seiko 4418-372
• Seiko 5273-694
• Seiko 6241-978
• Seiko 6611-291
• Seiko 7037-202
• Seiko 6122-187
• Seiko 6116-208