Seiko Cal. 7156 - 664

The Seiko 7156-664 represents an important milestone in Seiko's 1991 lineup. With its 18mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-74d45afeedf5]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1991

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