Seiko Cal. 6257 - 503

The Seiko 6257-503 represents an important milestone in Seiko's 1966 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-af4f12e2f8c7]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1966

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