Seiko Cal. 4456 - 827

This Spring Drive model from 1974 features a 40mm Two-Tone case. It features a Green dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-cf0ef2b6d3cc]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1974

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