Seiko Cal. 5687 - 823

The Seiko 5687-823 represents an important milestone in Seiko's 1968 lineup. It features a White dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-ec75867ad1e8]

Also known as: Crown, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1968

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