Seiko Cal. 4418 - 187

The Seiko 4418-187 represents an important milestone in Seiko's 1988 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-55efaa588c23]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1988

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