Seiko Cal. 6644 - 753

The Seiko 6644-753 represents an important milestone in Seiko's 1976 lineup. It features a Silver dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-493727ca5795]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1976

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