Seiko Cal. 4457 - 313

This Hand-Winding model from 1977 features a 46mm Hardlex-Coated Steel case. It features a Black dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-6c3c61b7cd6c]

Also known as: Tuna, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1977

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