Seiko Cal. 4545 - 578

The Seiko 4545-578 represents an important milestone in Seiko's 1971 lineup. Powered by the 4545 caliber with 26j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-387645bb2c87]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1971

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