Seiko Cal. 4458 - 727

This Spring Drive model from 1990 features a 42mm PVD Black case. It features a Black dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-70e546261f21]

Also known as: Sumo, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1990

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