Seiko Cal. 0748 - 640

The Seiko 0748-640 represents an important milestone in Seiko's 1978 lineup. With its 19mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-fa7dcf1d4d93]

Also known as: Shogun, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1978

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