Seiko Cal. 6645 - 731

This Solar model from 1989 features a 38mm Stainless Steel case. It features a Black dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-071599e2556b]

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1989

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