Seiko Cal. 4478 - 757

Released in 1981, the Cal. 4478 with design code 757 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-cad619549aab]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1981

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