Seiko Cal. 3856 - 525

The Seiko 3856-525 represents an important milestone in Seiko's 1972 lineup. Powered by the 3856 caliber with 34j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-71f6e02fe312]

Also known as: Helmet, Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1972

Related Models

• Seiko 6181-283
• Seiko 6133-546
• Seiko 0757-399
• Seiko 6630-792
• Seiko 5632-558
• Seiko 5238-777
• Seiko 6160-717
• Seiko 7051-259
• Seiko 7159-933
• Seiko 5674-571
• Seiko 7119-131
• Seiko 7027-380