Seiko Cal. 5687 - 500

The Seiko 5687-500 represents an important milestone in Seiko's 1981 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-fb02bd87c6f7]

Also known as: Tuna, Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1981

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