Seiko Cal. 5687 - 351

The Seiko 5687-351 represents an important milestone in Seiko's 1978 lineup. It features a White dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-29fce4fe4333]

Also known as: Pogue, Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1978

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