Seiko Cal. 4540 - 773

Released in 1976, the Cal. 4540 with design code 773 was part of Seiko's domestic market collection. It features a Cream dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-df9aaf4c8305]

Also known as: Silverwave, Crown

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1976

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