Seiko Cal. 5649 - 597

Released in 1979, the Cal. 5649 with design code 597 was part of Seiko's domestic market collection. With its 20mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-cb82ae9cf5a6]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1979

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