Seiko Cal. 7156 - 522

The Seiko 7156-522 represents an important milestone in Seiko's 1991 lineup. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-a9e46df07114]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1991

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