Seiko Cal. 4542 - 557

This Solar model from 1966 features a 39mm PVD Black case. With its 22mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-1c41fd9e4daa]

Also known as: Monster, Sea Horse

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1966

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