Seiko Cal. 5687 - 520

The 5687-520 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-8ff5401e4e1d]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1965

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