Seiko Cal. 6257 - 525

The Seiko 6257-525 represents an important milestone in Seiko's 1982 lineup. Powered by the 6257 caliber with 20j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-2d3e7cd5dab3]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1982

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