Seiko Cal. 4578 - 975

The Seiko 4578-975 represents an important milestone in Seiko's 1981 lineup. It features a Champagne dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-b7fe73c63a20]

Also known as: Samurai, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1981

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