Seiko Cal. 7156 - 665

The Seiko 7156-665 represents an important milestone in Seiko's 1965 lineup. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-1c43f5da1c04]

Also known as: UFO, Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1965

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