Seiko Cal. 7142 - 254

The Seiko 7142-254 represents an important milestone in Seiko's 1982 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-b4f4913782e8]

Also known as: Sumo, Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1982

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