Seiko Cal. 7156 - 556

The Seiko 7156-556 represents an important milestone in Seiko's 1979 lineup. It features a Silver dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-482f9f2b654f]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1979

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