Seiko Cal. 7156 - 416

The Seiko 7156-416 represents an important milestone in Seiko's 1971 lineup. It features a Black dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-ab69e8b85d02]

Also known as: Bullhead, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1971

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