Seiko Cal. 7187 - 578

The Seiko 7187-578 represents an important milestone in Seiko's 1975 lineup. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-bbaf785102b9]

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

35mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1975

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