Seiko Cal. 7156 - 697

The Seiko 7156-697 represents an important milestone in Seiko's 1977 lineup. It features a White dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-ff2a9b1ae459]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1977

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