Seiko Cal. 4494 - 257

The Seiko 4494-257 represents an important milestone in Seiko's 1980 lineup. It features a Silver dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-7c6c7750c0a7]

Also known as: Tuna, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1980

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