Seiko Cal. 5648 - 358

The Seiko 5648-358 represents an important milestone in Seiko's 1974 lineup. With its 22mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-c493468fffd1]

Also known as: Sumo, UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1974

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