Seiko Cal. 4457 - 930

The Seiko 4457-930 represents an important milestone in Seiko's 1989 lineup. It features a Green dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-e735ae966ead]

Also known as: Crown, Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1989

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