Seiko Cal. 5678 - 915

The Seiko 5678-915 represents an important milestone in Seiko's 1991 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-5e7676730a1c]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1991

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