Seiko Cal. 6687 - 456

The Seiko 6687-456 represents an important milestone in Seiko's 1974 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-92210a7c8c22]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1974

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