Seiko Cal. 7170 - 654

The Seiko 7170-654 represents an important milestone in Seiko's 1981 lineup. With its 20mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-7dfbb7c7fcd0]

Also known as: World Timer, Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1981

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