Seiko Cal. 3820 - 757

The Seiko 3820-757 represents an important milestone in Seiko's 1973 lineup. Powered by the 3820 caliber with 30j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-be664f9e3f4b]

Also known as: Samurai

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1973

Related Models

• Seiko 4567-845
• Seiko 0784-510
• Seiko 7165-807
• Seiko 6347-464
• Seiko 3839-752
• Seiko 6643-375
• Seiko 4423-556
• Seiko 0716-902
• Seiko 5658-976
• Seiko 4458-755
• Seiko 7071-838
• Seiko 6618-522