Seiko Cal. 4456 - 290

Released in 1978, the Cal. 4456 with design code 290 was part of Seiko's domestic market collection. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-14aa7aec557f]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1978

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