Seiko Cal. 6257 - 291

The Seiko 6257-291 represents an important milestone in Seiko's 1970 lineup. Powered by the 6257 caliber with 23j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-4cc6925f6705]

Also known as: Samurai, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1970

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