Seiko Cal. 6623 - 691

The Seiko 6623-691 represents an important milestone in Seiko's 1979 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-f89cdd019e56]

Also known as: Shogun

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1979

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