Seiko Cal. 4456 - 317

The Seiko 4456-317 represents an important milestone in Seiko's 1977 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-f375c4a67deb]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1977

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