Seiko Cal. 4550 - 722

This Automatic model from 1993 features a 44mm Stainless Steel case. It features a Black dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-f16197050558]

Also known as: Silverwave, World Timer

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1993

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