Seiko Cal. 4457 - 425

The Seiko 4457-425 represents an important milestone in Seiko's 1988 lineup. It features a Navy dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-f88caffb3b21]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1988

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