Seiko Cal. 3857 - 963

The Seiko 3857-963 represents an important milestone in Seiko's 1977 lineup. Powered by the 3857 caliber with 27j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-308ee9dc752e]

Also known as: Monster, UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1977

Related Models

• Seiko 7083-771
• Seiko 6633-246
• Seiko 4544-309
• Seiko 7023-110
• Seiko 4468-867
• Seiko 4494-494
• Seiko 6663-713
• Seiko 7026-539
• Seiko 6225-405
• Seiko 6138-879
• Seiko 6619-381
• Seiko 3874-636