Seiko Cal. 6630 - 780

The Seiko 6630-780 represents an important milestone in Seiko's 1982 lineup. It features a White dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-c69de20452b3]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1982

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