Seiko Cal. 4577 - 747

Released in 1976, the Cal. 4577 with design code 747 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-322fba38ad7f]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1976

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