Seiko Cal. 4456 - 928

The Seiko 4456-928 represents an important milestone in Seiko's 1980 lineup. It features a Black dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-521afaac8255]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1980

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