Seiko Cal. 5648 - 750

The Seiko 5648-750 represents an important milestone in Seiko's 1978 lineup. With its 18mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-a760d150c607]

Also known as: Rally, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1978

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