Seiko Cal. 7183 - 187

The Seiko 7183-187 represents an important milestone in Seiko's 1999 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-d575edcff2c3]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1999

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