Seiko Cal. 6687 - 555

The Seiko 6687-555 represents an important milestone in Seiko's 1994 lineup. It features a Champagne dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-e77c728b970c]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1994

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