Seiko Cal. 4422 - 393

The Seiko 4422-393 represents an important milestone in Seiko's 1978 lineup. Powered by the 4422 caliber with 17j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-2acc1db8bfe3]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1978

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