Seiko Cal. 3874 - 820

The Seiko 3874-820 represents an important milestone in Seiko's 1980 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-0c1ad52220ef]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1980

Related Models

• Seiko 4416-474
• Seiko 7092-231
• Seiko 6233-890
• Seiko 4531-587
• Seiko 6692-413
• Seiko 5269-656
• Seiko 7173-497
• Seiko 4483-703
• Seiko 5628-818
• Seiko 4544-261
• Seiko 7147-311
• Seiko 3884-263