Seiko Cal. 5257 - 566

The Seiko 5257-566 represents an important milestone in Seiko's 1965 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-ff3d3e8cb38f]

Also known as: Tuna, Crown

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1965

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