Seiko Cal. 4530 - 178

The Seiko 4530-178 represents an important milestone in Seiko's 1967 lineup. With its 21mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-eebf5f8327b7]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1967

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