Seiko Cal. 5257 - 839

The Seiko 5257-839 represents an important milestone in Seiko's 1989 lineup. Powered by the 5257 caliber with 26j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-07102ac01bbe]

Also known as: Pogue, Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1989

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