Seiko Cal. 6687 - 576

This Spring Drive model from 1970 features a 42mm Gold-Plated case. Powered by the 6687 caliber with 21j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-1996d2e20f3b]

Also known as: Tuna, Panda

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1970

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