Seiko Cal. 4557 - 441

This Automatic model from 1970 features a 44mm Stainless Steel case. It features a Navy dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-f40685667818]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1970

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