Seiko Cal. 5687 - 528

The Seiko 5687-528 represents an important milestone in Seiko's 1965 lineup. With its 22mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-51a47fa8e82a]

Also known as: Rally, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1965

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