Seiko Cal. 4557 - 443

This Quartz model from 1976 features a 44mm Hardlex-Coated Steel case. It features a Navy dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-896bbf1221d0]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1976

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