Seiko Cal. 5649 - 790

Released in 1985, the Cal. 5649 with design code 790 was part of Seiko's domestic market collection. With its 20mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-0cef8ffd639d]

Also known as: Sumo, Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1985

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