Seiko Cal. 7040 - 520

The Seiko 7040-520 represents an important milestone in Seiko's 1982 lineup. It features a Black dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-c31dd442c8e1]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1982

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