Seiko Cal. 0717 - 644

The Seiko 0717-644 represents an important milestone in Seiko's 1970 lineup. It features a Green dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-ad31bf06fbc8]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1970

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