Seiko Cal. 5687 - 665

The Seiko 5687-665 represents an important milestone in Seiko's 1979 lineup. It features a Champagne dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-d16a7a503dde]

Also known as: Tuna, Navigator

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1979

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