Seiko Cal. 5687 - 344

The Seiko 5687-344 represents an important milestone in Seiko's 1985 lineup. Powered by the 5687 caliber with 30j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-e953e8e77ca5]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1985

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