Seiko Cal. 5678 - 983

The Seiko 5678-983 represents an important milestone in Seiko's 1987 lineup. Powered by the 5678 caliber with 23j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-b93adfc0eb17]

Also known as: Turtle, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1987

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