Seiko Cal. 6631 - 923

The Seiko 6631-923 represents an important milestone in Seiko's 1983 lineup. It features a Silver dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-7fbb3da5f967]

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1983

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