Seiko Cal. 6317 - 257

The Seiko 6317-257 represents an important milestone in Seiko's 1982 lineup. Powered by the 6317 caliber with 17j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-46e8a00e013e]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1982

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