Seiko Cal. 6257 - 897

The Seiko 6257-897 represents an important milestone in Seiko's 1972 lineup. Powered by the 6257 caliber with 19j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-9cb05ffbcda5]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1972

Related Models

• Seiko 6196-861
• Seiko 3873-864
• Seiko 6364-895
• Seiko 4531-715
• Seiko 4462-159
• Seiko 5623-393
• Seiko 3887-331
• Seiko 4486-991
• Seiko 6387-878
• Seiko 6244-303
• Seiko 4453-969
• Seiko 4510-339