Seiko Cal. 4578 - 979

The Seiko 4578-979 represents an important milestone in Seiko's 1972 lineup. It features a Black dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-e32400bf8358]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1972

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