Seiko Cal. 7156 - 731

The Seiko 7156-731 represents an important milestone in Seiko's 1999 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-6faa075d662e]

Also known as: Bullhead, Emperor

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1999

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