Seiko Cal. 4456 - 787

This Spring Drive model from 1991 features a 46mm Hardlex-Coated Steel case. It features a Green dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-0d17ddf71b37]

Also known as: Samurai, Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1991

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