Seiko Cal. 7178 - 375

The Seiko 7178-375 represents an important milestone in Seiko's 1966 lineup. It features a Black dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-5d3624365c83]

Also known as: Sumo, Bellmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

38mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1966

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