Seiko Cal. 0756 - 631

The Seiko 0756-631 represents an important milestone in Seiko's 1978 lineup. It features a Navy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-cccef0d79f85]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1978

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