Seiko Cal. 7131 - 148

The Seiko 7131-148 represents an important milestone in Seiko's 1982 lineup. With its 21mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-00a37888832e]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1982

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