Seiko Cal. 7056 - 304

The Seiko 7056-304 represents an important milestone in Seiko's 1978 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-630a6e0b2287]

Also known as: Turtle, Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1978

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