Seiko Cal. 5649 - 787

Released in 1973, the Cal. 5649 with design code 787 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-1e51012ddcd5]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1973

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