Seiko Cal. 0773 - 646

The Seiko 0773-646 represents an important milestone in Seiko's 1974 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-e553aedfab12]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1974

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