Seiko Cal. 5649 - 740

The Seiko 5649-740 represents an important milestone in Seiko's 1980 lineup. With its 21mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-ce285cc29d96]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1980

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