Seiko Cal. 7141 - 820

The Seiko 7141-820 represents an important milestone in Seiko's 1987 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-3b1ed1118ea8]

Also known as: Monster, Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1987

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