Seiko Cal. 5650 - 780

The Seiko 5650-780 represents an important milestone in Seiko's 1990 lineup. It features a Green dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-d6b86a480725]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1990

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