Seiko Cal. 4561 - 730

This Spring Drive model from 1974 features a 45mm PVD Black case. With its 19mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-ceb493981e8e]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1974

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