Seiko Cal. 4517 - 720

This Spring Drive model from 1987 features a 40mm Stainless Steel case. With its 20mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-cbfb8761fdf1]

Also known as: Panda, World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1987

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