Seiko Cal. 6650 - 722

The Seiko 6650-722 represents an important milestone in Seiko's 1987 lineup. It features a Navy dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-a69db51720dc]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1987

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