Seiko Cal. 6257 - 126

The Seiko 6257-126 represents an important milestone in Seiko's 1976 lineup. Powered by the 6257 caliber with 26j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-e7aef9d09c26]

Also known as: Tuna, Bellmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1976

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