Seiko Cal. 6156 - 164

The Seiko 6156-164 represents an important milestone in Seiko's 1990 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-471c0ba7caf2]

Also known as: Shogun, Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1990

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