Seiko Cal. 7017 - 540

This Spring Drive model from 1978 features a 37mm Two-Tone case. With its 20mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-5f76305005bc]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1978

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