Seiko Cal. 5687 - 916

The Seiko 5687-916 represents an important milestone in Seiko's 1994 lineup. It features a Green dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-9a3f6003dbe7]

Also known as: Tuna, Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1994

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