Seiko Cal. 4542 - 424

The Seiko 4542-424 represents an important milestone in Seiko's 1976 lineup. Powered by the 4542 caliber with 31j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-ea40e4eed4b8]

Also known as: Tuna, Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1976

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