Seiko Cal. 5687 - 422

The Seiko 5687-422 represents an important milestone in Seiko's 1973 lineup. Powered by the 5687 caliber with 35j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-75465735b986]

Also known as: Tuna, Pogue

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1973

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