Seiko Cal. 5687 - 256

The Seiko 5687-256 represents an important milestone in Seiko's 1966 lineup. It features a Silver dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-c008e19f4efa]

Also known as: Flighty

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1966

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