Seiko Cal. 5257 - 339

The Seiko 5257-339 represents an important milestone in Seiko's 1977 lineup. Powered by the 5257 caliber with 35j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-d513ed3d0f79]

Also known as: Shogun

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1977

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