Seiko Cal. 6644 - 929

This Hand-Winding model from 1997 features a 40mm Two-Tone case. It features a Green dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-6373ee2542a7]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1997

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