Seiko Cal. 3893 - 648

The Seiko 3893-648 represents an important milestone in Seiko's 1975 lineup. Powered by the 3893 caliber with 18j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-a2bc35d7fc10]

Also known as: Tuna, Panda

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1975

Related Models

• Seiko 5219-743
• Seiko 6319-617
• Seiko 3851-459
• Seiko 4559-259
• Seiko 7090-836
• Seiko 4593-685
• Seiko 6178-527
• Seiko 6699-819
• Seiko 7092-314
• Seiko 7194-225
• Seiko 3848-676
• Seiko 7087-811